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Wettest March in over 40 years for England
England has had its wettest March since 1981, with Wales and Northern Ireland also seeing one of their wettest Marches on record.
Read moreMerthyr Tydfil (Merthyr Tydfil) weather
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Forecast days
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Today. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Heavy rain changing to cloudy by lunchtime. Sunrise: 06:50; Sunset: 19:46. UV: Low; Pollution: Low; Pollen: Low.Today. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Heavy rain changing to cloudy by lunchtime. Sunrise: 06:50; Sunset: 19:46. UV: Low; Pollution: Low; Pollen: Low.
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Sunday 2 April. Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius. Overcast. Sunrise: 06:47; Sunset: 19:48. UV: Moderate; Pollution: Low; Pollen: Low.Sunday 2 April. Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius. Overcast. Sunrise: 06:47; Sunset: 19:48. UV: Moderate; Pollution: Low; Pollen: Low.
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Monday 3 April. Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius. Sunny changing to partly cloudy by nighttime. Sunrise: 06:45; Sunset: 19:50. UV: Moderate; Pollution: Low; Pollen: Low.Monday 3 April. Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius. Sunny changing to partly cloudy by nighttime. Sunrise: 06:45; Sunset: 19:50. UV: Moderate; Pollution: Low; Pollen: Low.
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Tuesday 4 April. Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Cloudy changing to sunny intervals by early evening. Sunrise: 06:43; Sunset: 19:51. UV: Moderate; Pollution: Low; Pollen: Low.Tuesday 4 April. Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Cloudy changing to sunny intervals by early evening. Sunrise: 06:43; Sunset: 19:51. UV: Moderate; Pollution: Low; Pollen: Low.
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Wednesday 5 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Overcast. Sunrise: 06:41; Sunset: 19:53. UV: Low; No pollen data.Wednesday 5 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Overcast. Sunrise: 06:41; Sunset: 19:53. UV: Low; No pollen data.
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Thursday 6 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Cloudy changing to clear by nighttime. Sunrise: 06:38; Sunset: 19:55. UV: Moderate;Thursday 6 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Cloudy changing to clear by nighttime. Sunrise: 06:38; Sunset: 19:55. UV: Moderate;
Six day forecast for Merthyr Tydfil
| Time | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
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| Weather symbol |
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Chance of precipitation
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60% | 80% | 60% | 40% | 60% | 60% | 90% | 90% | 60% | 80% | 80% | 50% | 10% | 10% | 10% | 10% | 10% | 50% | 40% | 10% | <5% | 10% | 10% | <5% |
|
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9°
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9°
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8°
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8°
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8°
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8°
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8°
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8°
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8°
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8°
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8°
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9°
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9°
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10°
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11°
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11°
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11°
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11°
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10°
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9°
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9°
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8°
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7°
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7°
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6° | 6° | 6° | 6° | 6° | 5° | 5° | 5° | 6° | 6° | 6° | 7° | 8° | 9° | 9° | 9° | 10° | 9° | 8° | 7° | 7° | 6° | 5° | 5° |
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W
9
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W
10
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W
10
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WNW
10
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WNW
10
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WNW
11
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WNW
9
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WNW
8
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WNW
7
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WNW
7
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NW
6
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N
6
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N
7
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N
7
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N
10
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N
8
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NNW
8
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NNW
9
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NNW
8
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NNW
8
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NNW
8
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N
7
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N
7
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N
8
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22 | 23 | 23 | 23 | 24 | 25 | 23 | 21 | 18 | 17 | 13 | 13 | 15 | 15 | 19 | 18 | 18 | 19 | 17 | 18 | 19 | 17 | 17 | 18 |
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P | G | G | G | G | G | G | G | G | M | G | G | VG | G | VG | G | G | G | G | VG | VG | VG | VG | VG |
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Humidity
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93% | 93% | 93% | 91% | 91% | 90% | 90% | 90% | 90% | 90% | 91% | 87% | 84% | 79% | 72% | 69% | 69% | 74% | 76% | 76% | 73% | 74% | 75% | 77% |
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UV
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- | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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10% | 10% | 10% | 10% | 10% | 10% | 10% | <5% | <5% |
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7°
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7°
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6°
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6°
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7°
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9°
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10°
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9°
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5°
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5° | 5° | 4° | 5° | 5° | 7° | 9° | 8° | 4° |
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N
8
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N
7
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N
6
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N
5
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NE
7
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NNE
7
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NE
6
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ENE
5
|
ENE
5
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18 | 17 | 15 | 11 | 13 | 13 | 13 | 11 | 12 |
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VG | VG | VG | G | VG | VG | VG | VG | VG |
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Humidity
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80% | 83% | 86% | 88% | 78% | 70% | 61% | 64% | 76% |
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UV
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- | - | - | 1 | 2 | 3 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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<5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
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4°
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2°
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1°
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4°
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8°
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9°
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8°
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4°
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2° | -1° | -2° | 1° | 5° | 7° | 7° | 2° |
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E
5
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E
6
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E
6
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ESE
8
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ESE
8
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SE
8
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SE
4
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SE
4
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13 | 12 | 12 | 18 | 19 | 17 | 9 | 8 |
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VG | VG | VG | VG | VG | VG | VG | VG |
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Humidity
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78% | 83% | 85% | 71% | 60% | 58% | 71% | 84% |
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UV
|
- | - | 1 | 2 | 4 | 3 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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<5% | <5% | 10% | 10% | 10% | 10% | <5% | 10% |
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3°
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2°
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1°
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6°
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9°
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10°
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8°
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6°
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1° | 0° | 0° | 5° | 8° | 9° | 7° | 5° |
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SE
4
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SE
4
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SSE
3
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S
3
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SSW
6
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SW
7
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WSW
5
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SW
5
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7 | 7 | 6 | 9 | 15 | 16 | 11 | 10 |
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VG | VG | G | VG | VG | VG | VG | G |
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Humidity
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86% | 87% | 91% | 79% | 68% | 61% | 73% | 85% |
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UV
|
- | - | 1 | 2 | 4 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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10% | 10% | 20% | 20% | 20% | 20% | 20% | 20% |
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6°
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6°
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5°
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8°
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10°
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11°
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10°
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8°
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4° | 4° | 4° | 6° | 8° | 9° | 8° | 7° |
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WSW
5
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SW
5
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SW
5
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SW
6
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SW
9
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WSW
9
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WSW
8
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WSW
6
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11 | 10 | 10 | 14 | 19 | 19 | 16 | 12 |
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G | M | M | G | G | G | G | M |
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Humidity
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93% | 94% | 95% | 89% | 80% | 77% | 86% | 94% |
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UV
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- | - | 1 | 1 | 2 | 1 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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30% | 20% | 20% | 10% | 10% | 10% | 10% | 10% |
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8°
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7°
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7°
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9°
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12°
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12°
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11°
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8°
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6° | 6° | 6° | 8° | 10° | 10° | 9° | 6° |
|
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WSW
6
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WSW
5
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NW
6
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NNW
6
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WNW
7
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NW
8
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NW
7
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E
6
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11 | 10 | 11 | 14 | 17 | 17 | 14 | 11 |
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P | M | M | G | VG | VG | VG | G |
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Humidity
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95% | 95% | 94% | 86% | 70% | 71% | 76% | 85% |
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UV
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- | - | 1 | 2 | 3 | 2 | 1 | - |
Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time.
This number shows the air temperature for the time period. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.
Feels like temperature considers other factors, such as wind speed and humidity. This gives you a better idea of how the temperature will actually feel at the time.
Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull.
Strong winds are shown in bold for speeds of 29 mph or more.
The arrow shows the direction the wind is blowing. The letters show the direction the wind is blowing from (on a standard 16-point compass).
The number represents the average wind speed expected at that time.
The arrow shows the direction of the wind (up is north). The blue behind the arrow represents the sea, and yellow is the land. If the arrow points from yellow to blue, the wind will be blowing from land to sea (‘offshore’). The number is the average wind speed.
Beware of offshore winds if you are using inflatables, paddle boards or kayaks, because these winds can blow you out to sea. Read more about how wind will affect you at the beach.
Visibility measures the distance at which an object can be clearly seen.
| VP (Very Poor) | Less than 1 km |
| P (Poor) | 1.1 km to 4 km |
| M (Moderate) | 4.1 km to 10 km |
| G (Good) | 10.1 km to 20 km |
| VG (Very Good) | 20.1 km to 40 km |
| E (Excellent) | Greater than 40 km |
Humidity is the amount of water vapor in the air. If there is a lot of water vapour, the humidity will be high. The higher the percentage of humidity, the wetter it will feel outside.
UV exposure index and the protection required to help keep you safe:
No risk of UV - It’s safe to stay outside. Low - You can safely stay outside. Consider sunscreen in direct sunlight. Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. Sunscreen advised. High - Seek shade during midday hours, cover up and wear sunscreen. Very high - Spend time in the shade between 11am and 3pm. Shirt, sunscreen and hat are essential. Extreme - Avoid being outside during midday hours. Shirt, sunscreen and hat essential.
This is the average height of the waves, 1-2 miles out to sea. The height of the waves can vary. The individual waves out to sea or at the beach can be higher than this number. If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away.
Read more about calculating the expected height of the waves at the beach.
This is the average number of seconds between one wave and the next, 1-2 miles out to sea. A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. Lifeguards can give you advice on waves if you’re planning to go into the water.
Read more about the period of waves.
The arrow shows the average direction that the waves are going 1-2 miles out to sea. It indicates how sheltered the beach will be from these waves. If the arrow points towards land, most of the waves’ power will reach the beach. If the arrow is parallel or pointing away from land, the height of the waves on the beach is likely to be lower than the height of waves offshore.
Lifeguards can give you advice on waves if you’re planning to go into the water.
Merthyr Tydfil weather map
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WARNING
Flood alerts in force
for Wales
Flood alerts in force
for Wales
Wales weather forecast
Headline:
Often cloudy with outbreaks of rain. Winds easing.
This Evening and Tonight:
Further outbreaks of rain, locally heavy throughout the evening and overnight, especially across mid and south Wales. Light winds to the north but strong and often gusty across coasts and high ground in the south. A mild night. Minimum temperature 6 °C.
Saturday:
Cloud and rain will continue across mid and south Wales, gradually sinking southwards during the morning. Brighter to the north with the risk of light rain later. Easing winds. Maximum temperature 13 °C.
Outlook for Sunday to Tuesday:
Drier and brighter days to come with lighter winds. Rather mild by day though some cool mornings expected on Monday and Tuesday, with a risk of rain later on Tuesday.
Updated:
UK long range weather forecast
The start of this period is likely to be rather changeable, with weather systems moving in from the west to bring scattered showers and spells of rain. Thick cloud will bring some rain and drizzle at times, most likely across the west. Drier and brighter interludes are expected to develop across the UK as a whole, although still with the possibility of some unsettled spells, particularly towards the end of this period. It may be that the wettest weather is most probable in the south and west. Winds expected to be generally light during this time but there may be some stronger periods, particularly later on. Temperatures likely remaining close to or possibly just above average.
Updated:
There is currently an equal balance between the likelihood of settled and unsettled weather through the rest of April. Any unsettled weather may take a more southerly track than usual, while higher pressure to the north may provide higher chances of drier weather. It is most likely that temperatures will be close to, or just above average.
Updated:
