Alton (Hampshire) weather
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Forecast days
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Today. Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: High.Today. Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: High.
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Wednesday 1 May. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Cloudy changing to heavy rain in the afternoon. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Moderate.Wednesday 1 May. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Cloudy changing to heavy rain in the afternoon. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Moderate.
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Thursday 2 May. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius. Light rain changing to overcast by late morning. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: High.Thursday 2 May. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius. Light rain changing to overcast by late morning. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: High.
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Friday 3 May. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Light rain changing to overcast by lunchtime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Moderate.Friday 3 May. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Light rain changing to overcast by lunchtime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Moderate.
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Saturday 4 May. Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Sunny changing to cloudy by nighttime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: High.Saturday 4 May. Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Sunny changing to cloudy by nighttime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: High.
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Sunday 5 May. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate;Sunday 5 May. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate;
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Monday 6 May. Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius. Cloudy changing to light showers by lunchtime. Sunrise: ; Sunset: . UV: Moderate;Monday 6 May. Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius. Cloudy changing to light showers by lunchtime. Sunrise: ; Sunset: . UV: Moderate;
Seven day forecast for Alton
| Time | 23:00 |
|---|---|
| Weather symbols |
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Chance of precipitation
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10% |
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12°
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10° |
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SE
6
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18 |
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G |
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Humidity
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92% |
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UV
|
- |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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10% | <5% | <5% | 10% | 10% | 10% | 10% | 10% | 10% | <5% | <5% | 10% | 10% | 10% | 20% | 60% | 80% | 90% | 60% | 50% | 50% | 10% | 10% | 10% |
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11°
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11°
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10°
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10°
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10°
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8°
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9°
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10°
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11°
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12°
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13°
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15°
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15°
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16°
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16°
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15°
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15°
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14°
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13°
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13°
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13°
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13°
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12°
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12°
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10° | 11° | 10° | 10° | 9° | 8° | 8° | 9° | 11° | 12° | 13° | 14° | 15° | 15° | 15° | 15° | 14° | 13° | 13° | 12° | 12° | 12° | 11° | 11° |
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SE
6
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SSE
4
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SSE
2
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SE
3
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S
3
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SSE
1
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SSW
2
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SE
3
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NE
3
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N
2
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N
3
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NE
4
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NE
4
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NE
5
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NE
5
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N
4
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NW
4
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NW
5
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NW
6
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NW
7
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NW
7
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NNW
8
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NW
8
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NNW
8
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15 | 11 | 8 | 8 | 8 | 6 | 7 | 6 | 5 | 4 | 6 | 7 | 7 | 9 | 9 | 8 | 7 | 11 | 13 | 16 | 17 | 17 | 17 | 19 |
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G | G | G | M | M | M | P | M | M | VG | VG | VG | VG | VG | VG | G | M | M | G | G | G | G | G | G |
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Humidity
|
95% | 96% | 95% | 98% | 98% | 98% | 99% | 96% | 91% | 84% | 78% | 73% | 70% | 67% | 68% | 73% | 81% | 86% | 90% | 91% | 92% | 93% | 93% | 94% |
|
UV
|
- | - | - | - | - | - | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - |
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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10% | 20% | 60% | 50% | 20% | 10% | 10% | 60% | 60% |
|
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12°
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12°
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11°
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11°
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12°
|
14°
|
15°
|
13°
|
11°
|
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11° | 10° | 9° | 9° | 11° | 14° | 14° | 11° | 9° |
|
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NNW
9
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NNW
10
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N
10
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NNE
7
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N
6
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NNW
6
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WNW
8
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W
12
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W
11
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21 | 22 | 20 | 15 | 12 | 12 | 15 | 23 | 22 |
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G | G | G | M | M | G | G | G | G |
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Humidity
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94% | 94% | 96% | 98% | 94% | 86% | 83% | 90% | 90% |
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UV
|
- | - | - | 1 | 2 | 3 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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70% | 60% | 50% | 50% | 20% | 10% | 10% | <5% |
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10°
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10°
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10°
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11°
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12°
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14°
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13°
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10°
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8° | 7° | 7° | 8° | 10° | 11° | 11° | 8° |
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W
10
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W
10
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WSW
11
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W
13
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WSW
13
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WSW
12
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WSW
9
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WSW
7
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21 | 21 | 23 | 27 | 27 | 25 | 18 | 14 |
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G | M | G | G | G | VG | VG | VG |
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Humidity
|
91% | 93% | 92% | 86% | 76% | 70% | 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 symbols |
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Chance of precipitation
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<5% | <5% | 10% | 10% | 10% | 10% | 10% | 10% |
|
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8°
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7°
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8°
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13°
|
15°
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15°
|
14°
|
10°
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6° | 5° | 7° | 11° | 13° | 13° | 12° | 9° |
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SW
6
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SW
5
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S
5
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S
8
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SSW
10
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S
9
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S
7
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S
6
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12 | 10 | 10 | 18 | 22 | 21 | 15 | 12 |
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G | G | M | VG | VG | VG | VG | VG |
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Humidity
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91% | 95% | 95% | 73% | 62% | 62% | 70% | 85% |
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UV
|
- | - | 1 | 4 | 5 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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10% | 10% | 10% | 20% | 20% | 10% | 10% | 10% |
|
|
10°
|
9°
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10°
|
13°
|
15°
|
15°
|
14°
|
11°
|
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8° | 8° | 9° | 12° | 13° | 14° | 13° | 10° |
|
|
S
6
|
SSW
6
|
S
6
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SSW
8
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SSW
10
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SSW
10
|
S
8
|
S
7
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12 | 12 | 13 | 18 | 22 | 22 | 17 | 13 |
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G | M | G | G | G | VG | G | G |
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Humidity
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90% | 94% | 92% | 82% | 73% | 71% | 76% | 89% |
|
UV
|
- | - | 1 | 3 | 5 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
|
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Chance of precipitation
|
10% | 10% | 20% | 20% | 40% | 10% | 10% | 10% |
|
|
11°
|
11°
|
11°
|
14°
|
16°
|
16°
|
15°
|
12°
|
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9° | 9° | 10° | 13° | 14° | 15° | 14° | 11° |
|
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S
7
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S
6
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S
6
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S
8
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SSW
10
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SSW
9
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SSW
7
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S
6
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13 | 13 | 13 | 19 | 22 | 21 | 15 | 12 |
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G | G | G | G | G | VG | VG | G |
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Humidity
|
92% | 93% | 92% | 84% | 73% | 69% | 75% | 87% |
|
UV
|
- | - | 1 | 3 | 4 | 2 | 1 | - |
Our weather symbols tell you the weather conditions for any given hour in the day or night. This means that the symbol for 9am shows you what you will see from 9am to 10am.
Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail or 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). If the arrow points from land to sea, the wind will be blowing out to sea (‘offshore’). The number is the average wind speed.
Beware of offshore winds if you are using inflatables, paddle boards or kayaks. 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 of the waves 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 to or pointing away from land, the wave height is likely to be lower on the beach than it is offshore.
Lifeguards can give you advice on waves if you’re planning to go into the water.
Forecast row information
UK video forecast
London & South East England weather forecast
Headline:
Clear spells overnight, mist and fog developing especially on coasts.
This Evening and Tonight:
Some clearer spells in the west, cloudy elsewhere with a low risk of showers around midnight. Mist and fog developing by dawn, especially along coasts. Winds becoming light and variable. Minimum temperature 6 °C.
Wednesday:
A murky start with mist and fog, quickly followed by heavy showers moving in from the coast perhaps thundery at times. Showers clearing north to leave some brighter spells behind. Maximum temperature 20 °C.
Outlook for Thursday to Saturday:
Cloudy initially, with patchy light rain followed by showers Thursday, becoming heavy and thundery overnight into Friday. Bright, with sunny spells followed by rain and cloud Saturday. Cooler along coasts.
Updated:
UK long range weather forecast
An uncertain period through the bank holiday weekend with the most likely result a warm but cloudy day Sunday with a few light showers, then increasingly cloudy with rain spreading from the west, though weakening as it does so, however there remains a broad spread of solutions with the threat of showery spells a common feature. Into the new week all areas are likely to see a mixture of showery periods or spells of rain, though generally drier conditions expected to develop through the following week away from the northeast as high pressure develops to the west. Sunniest conditions across the south, cloudiest in the north and east. Temperatures mostly a little above normal for early May.
Updated:
In this period, the chances of unsettled weather are slightly less than usual in the far north but trending to slightly more unsettled further south. Therefore, some spells of wet weather are likely for all, but perhaps especially across southern/central areas while the driest conditions relative to normal are probably further north. The chance of below or above average temperatures is fairly balanced overall, slightly cooler around mid-month but recovering soon after, though it is worth noting that average temperatures themselves rise by around 1C per week at this time of year.
Updated:
