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Merthyr Tydfil

  • Heavy rain 12 °C 8 °C
  • Light shower day 11 °C 9 °C
  • Mist 14 °C 11 °C
  • Light rain 15 °C 11 °C
  • Light rain 14 °C 12 °C
  • Light rain 14 °C 11 °C
  • Cloudy 15 °C 9 °C
Now 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
Heavy rain Heavy rain Heavy rain Heavy shower day Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy shower night Light shower night Light rain Light rain
≥95% 80% 90% 70% ≥95% ≥95% ≥95% 90% ≥95% 80% 90% 60% 40% 60% 50%
Temperature (°C)
11 ° 11 ° 11 ° 11 ° 11 ° 11 ° 11 ° 11 ° 12 ° 11 ° 11 ° 11 ° 10 ° 10 ° 9 °
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Feels like temperature (°C) Expand
7 ° 8 ° 8 ° 8 ° 8 ° 7 ° 8 ° 8 ° 9 ° 8 ° 8 ° 8 ° 7 ° 6 ° 6 °
Wind direction, speed & gust (mph) Expand
SSW 19 35 SW 14 35 SW 15 40 SW 17 43 SW 19 48 SW 19 46 WSW 17 42 WSW 18 42 W 17 40 W 17 39 W 17 39 W 17 40 W 17 40 W 17 40 W 16 39
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
P VG M VG M M P G G VG VG VG E G VG
Humidity Expand
96% 90% 89% 83% 84% 91% 90% 90% 89% 88% 88% 87% 86% 85% 82%
UV index Expand
1 1 1 1 1 1 1 1 1
Sunrise: 07:48 Sunset: 18:08 Moon phase: New Air pollution: 3
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
Light rain Light rain Light shower night Light rain Light rain Overcast Light shower night Partly cloudy night Sunny intervals Sunny day Sunny intervals Sunny intervals Sunny intervals Cloudy Light shower day Light shower day Light shower day Light shower day Heavy shower night Light shower night Partly cloudy night Partly cloudy night Cloudy Cloudy
60% 50% 50% 60% 50% 20% 40% 10% <5% <5% <5% <5% <5% 10% 30% 50% 40% 40% 60% 40% <5% <5% 10% <5%
Temperature (°C)
9 ° 9 ° 9 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 9 ° 10 ° 10 ° 11 ° 11 ° 11 ° 11 ° 10 ° 10 ° 10 ° 10 ° 10 ° 10 ° 10 °
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Feels like temperature (°C) Expand
5 ° 5 ° 5 ° 4 ° 5 ° 4 ° 4 ° 4 ° 4 ° 5 ° 6 ° 6 ° 7 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 9 °
Wind direction, speed & gust (mph) Expand
W 17 40 W 18 42 W 18 41 W 17 41 WNW 18 41 WNW 19 42 WNW 18 40 WNW 16 37 WNW 15 36 WNW 14 35 WNW 15 36 WNW 17 40 WNW 17 39 WNW 17 40 WNW 18 40 WNW 16 37 WNW 15 34 WNW 13 30 WNW 12 29 W 10 25 W 10 24 W 9 22 W 8 21 W 7 18
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG VG VG VG E E E E E E E E E VG VG VG VG VG VG VG VG VG
Humidity Expand
85% 82% 81% 84% 81% 80% 78% 76% 77% 76% 74% 72% 72% 72% 71% 75% 79% 84% 86% 87% 88% 89% 90% 91%
UV index Expand
1 1 1 1 1 2 1 1 1 1
Sunrise: 07:49 Sunset: 18:06 Moon phase: New Air pollution: 2
00:00 01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
Cloudy Heavy rain Heavy rain Light rain Fog Fog Cloudy Cloudy Cloudy
10% 80% 90% 60% 60% 40% 20% 10% 10%
Temperature (°C)
10 ° 10 ° 11 ° 12 ° 12 ° 14 ° 14 ° 13 ° 12 °
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Feels like temperature (°C) Expand
9 ° 9 ° 10 ° 11 ° 12 ° 13 ° 13 ° 12 ° 11 °
Wind direction, speed & gust (mph) Expand
W 6 15 W 6 15 WSW 5 11 SSW 5 12 SSW 5 11 SW 6 15 WSW 8 17 WSW 7 14 WSW 5 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G M M VP VP M M M
Humidity Expand
92% 93% 96% 97% 98% 97% 95% 96% 95%
UV index Expand
1 1 1
Sunrise: 07:51 Sunset: 18:04 Moon phase: Waxing crescent Air pollution: 2
01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
Cloudy Heavy rain Heavy rain Light rain Drizzle Light rain Heavy rain Overcast
20% 80% 80% 60% 30% 50% 80% 20%
Temperature (°C)
12 ° 12 ° 13 ° 14 ° 15 ° 14 ° 13 ° 13 °
Show detail Show detail
Feels like temperature (°C) Expand
11 ° 11 ° 12 ° 13 ° 13 ° 13 ° 12 ° 12 °
Wind direction, speed & gust (mph) Expand
S 4 9 S 6 14 SW 9 17 WSW 8 17 WSW 9 21 WSW 10 22 WSW 8 15 WSW 8 17
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M P VP P P M M G
Humidity Expand
96% 97% 98% 97% 95% 93% 96% 94%
UV index Expand
1 1 1
Sunrise: 07:53 Sunset: 18:02 Moon phase: Waxing crescent Air pollution: 2
01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
Cloudy Cloudy Cloudy Cloudy Light rain Cloudy Light rain Light rain
20% 20% 20% 20% 50% 50% 50% 50%
Temperature (°C)
12 ° 12 ° 12 ° 12 ° 13 ° 13 ° 13 ° 13 °
Show detail Show detail
Feels like temperature (°C) Expand
11 ° 11 ° 11 ° 12 ° 12 ° 13 ° 12 ° 12 °
Wind direction, speed & gust (mph) Expand
WSW 8 16 WSW 6 13 SW 5 9 S 5 10 S 7 15 SSW 6 14 SSW 7 14 S 7 13
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G M M M G G G
Humidity Expand
95% 95% 95% 94% 93% 91% 94% 94%
UV index Expand
1 1 1
Sunrise: 07:55 Sunset: 18:00 Moon phase: Waxing crescent Air pollution: 2
01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
Light rain Light rain Light rain Light rain Light rain Light rain Light rain Cloudy
50% 50% 50% 50% 50% 50% 50% 20%
Temperature (°C)
12 ° 12 ° 12 ° 13 ° 14 ° 14 ° 13 ° 13 °
Show detail Show detail
Feels like temperature (°C) Expand
11 ° 11 ° 11 ° 12 ° 13 ° 13 ° 13 ° 12 °
Wind direction, speed & gust (mph) Expand
SSW 7 14 S 7 13 S 7 12 S 7 13 S 8 16 SSW 7 14 S 6 11 SSW 6 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G M M M G G G M
Humidity Expand
93% 96% 96% 95% 91% 91% 95% 96%
UV index Expand
1 1 1
Sunrise: 07:56 Sunset: 17:58 Moon phase: Waxing crescent
01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
Light rain Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Cloudy
50% 20% 10% 20% 10% 10% 10% 10%
Temperature (°C)
12 ° 12 ° 12 ° 13 ° 14 ° 14 ° 12 ° 12 °
Show detail Show detail
Feels like temperature (°C) Expand
12 ° 11 ° 11 ° 12 ° 13 ° 13 ° 11 ° 10 °
Wind direction, speed & gust (mph) Expand
S 6 11 SW 6 10 SW 5 9 SW 6 11 WSW 8 15 WSW 8 17 WSW 7 14 WSW 7 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M M G G G G
Humidity Expand
97% 97% 97% 95% 90% 88% 93% 93%
UV index Expand
1 1 1
Sunrise: 07:58 Sunset: 17:56 Moon phase: First quarter

Issued at:

Forecast Summary

  • Regional
  • UK 5 days
  • UK 6-30 days

Wales

Headline:

A windy day with coastal gales and showers.

Today:

Storm Brian will bring strong or very strong winds across much of the region with coastal gales or severe gales possible at times. Blustery, heavy, showers in the morning will precede some longer spells of rain through the afternoon. Maximum temperature 14 °C.

Tonight:

Remaining windy overnight with the risk of gales along exposed western coasts. Some heavy, blustery showers as well as longer spells of rain. Minimum temperature 8 °C.

Sunday:

A windy, cloudy, morning with some spells of rain. Clearer, brighter weather moving up from the south through the morning. Winds continuing to ease. Maximum temperature 14 °C.

Outlook for Monday to Wednesday:

Wet and murky for much of Monday and Tuesday with widespread hill fog, especially in the south. Further spells of rain pushing northwards on Wednesday.

Updated: 05:35 on Sat 21 Oct 2017 BST

UK forecast for the next 5 days

Headline:

Windy with coastal gales in the south and west.

Today:

Storm Brian will bring strong or very strong winds across southern and western parts of the UK with gales or severe gales in exposure. Blustery showers, mainly in the west, could merge to give persistent periods of rain at times.

Tonight:

Cloudy and windy, although the wind easing somewhat, with further outbreaks of rain or showers across northern and western parts of the UK. Staying driest in the southeast.

Sunday:

Rain and cloud clearing eastwards to allow drier, brighter weather to develop. Showers in the west, which may be heavy at times, will gradually become lighter. Winds slowly becoming lighter.

Outlook for Monday to Wednesday:

Rain and cloud spreading across the UK on Monday. Sunniest in the east. A brighter day for the north on Tuesday. Further spells of rain expected on Wednesday.

Updated: 03:51 on Sat 21 Oct 2017 BST

Outlook for the UK over the next 6-30 days

UK Outlook for Wednesday 25 Oct 2017 to Friday 3 Nov 2017:

A little rain possible at first in the south on Wednesday, but this tending to peter out, leaving more in the way of drier weather for much of the UK, compared to the start of the week. Temperatures will also be on the warm side, with some mild nights too. Through next weekend, a more unsettled theme seems likely, especially in the northwest, where strong winds will bring a mixture of rain followed by brighter, showery interludes. Further southeast it should remain drier, though some rain is possible here too. Into early November, confidence in the forecast becomes very low, with a changeable theme and near average temperatures seeming most likely. Northern areas look most likely to see further wind and rain at times, with drier conditions in the south.

UK Outlook for Saturday 4 Nov 2017 to Saturday 18 Nov 2017:

Confidence in the forecast during this period is very low. However, after a changeable start with near average temperatures, there is an increasing chance of more prolonged settled spells developing by the end of the first week of November, which may continue into mid month, especially in the south. This would lead to an increased chance of frost and fog overnight. However, northern areas could hold onto more in the way of wind and rain at times. Temperatures should stay mostly near or perhaps slightly above average, although probably dipping to below average in any more settled spells.

Updated: 03:51 on Sat 21 Oct 2017 BST

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