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Merthyr Tydfil

  • Light rain 10 °C 6 °C
  • Heavy rain 9 °C 3 °C
  • Heavy shower day 7 °C 3 °C
  • Sunny day 7 °C 2 °C
  • Overcast 7 °C 7 °C
  • Light rain 10 °C 7 °C
  • Light rain 9 °C 4 °C
Now 23:00
Cloudy Cloudy
10% 10%
Temperature (°C)
9 ° 9 °
Show detail Show detail
Feels like temperature (°C) Expand
7 ° 7 °
Wind direction, speed & gust (mph) Expand
SW 9 26 SSW 10 29
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G VG
Humidity Expand
90% 89%
UV index Expand
Sunrise: 08:06 Sunset: 16:46 Moon phase: First quarter 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
Cloudy Cloudy Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
10% 10% 50% 50% 80% 80% 90% ≥95% ≥95% ≥95% 90% 50% 40% 30% 40% 40% 30% 30% 40% 40% 30% 40% 40% 40%
Temperature (°C)
9 ° 10 ° 10 ° 10 ° 10 ° 11 ° 11 ° 10 ° 7 ° 6 ° 5 ° 6 ° 6 ° 7 ° 7 ° 7 ° 6 ° 6 ° 6 ° 5 ° 6 ° 6 ° 5 ° 5 °
Show detail Show detail
Feels like temperature (°C) Expand
7 ° 7 ° 7 ° 7 ° 7 ° 8 ° 7 ° 6 ° 3 ° 2 ° 2 ° 2 ° 3 ° 3 ° 3 ° 4 ° 3 ° 2 ° 2 ° 2 ° 2 ° 2 ° 2 ° 1 °
Wind direction, speed & gust (mph) Expand
SSW 10 30 SW 13 37 SW 15 38 SSW 15 37 SSW 16 41 SSW 19 47 SW 20 51 SW 19 48 W 16 37 W 15 34 WSW 13 32 WSW 14 33 SW 14 34 SW 14 34 WSW 15 36 WSW 14 34 WSW 12 31 WSW 12 31 WSW 12 30 WSW 12 31 WSW 12 29 WSW 12 30 WSW 10 28 WSW 11 27
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG G G VP VG G P P P M G VG VG VG VG VG VG VG G VG E VG VG
Humidity Expand
89% 89% 90% 91% 94% 89% 89% 91% 90% 90% 90% 89% 86% 84% 83% 82% 84% 85% 84% 85% 86% 85% 86% 88%
UV index Expand
1 1 1 1 1 1 1 1
Sunrise: 08:05 Sunset: 16:48 Moon phase: First quarter Air pollution: 3
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Heavy shower night Light shower night Light shower night Heavy shower day Heavy shower day Heavy shower day Heavy shower night Partly cloudy night
90% 40% 60% 60% 70% 70% 60% 10%
Temperature (°C)
5 ° 4 ° 4 ° 5 ° 6 ° 6 ° 5 ° 4 °
Show detail Show detail
Feels like temperature (°C) Expand
1 ° 1 ° 1 ° 1 ° 2 ° 2 ° 2 ° 1 °
Wind direction, speed & gust (mph) Expand
WSW 12 31 WSW 11 24 SSW 10 24 SW 11 27 SW 14 32 WSW 12 28 W 11 25 WNW 9 22
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G VG VG VG G VG VG VG
Humidity Expand
87% 88% 88% 90% 84% 86% 89% 90%
UV index Expand
1 1 1
Sunrise: 08:03 Sunset: 16:49 Moon phase: First quarter Air pollution: 3
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Partly cloudy night Cloudy Partly cloudy night Sunny day Sunny day Sunny intervals Cloudy Cloudy
<5% 10% <5% <5% <5% <5% <5% 10%
Temperature (°C)
4 ° 4 ° 4 ° 3 ° 6 ° 6 ° 4 ° 3 °
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Feels like temperature (°C) Expand
1 ° 1 ° 1 ° 0 ° 4 ° 4 ° 2 ° 1 °
Wind direction, speed & gust (mph) Expand
WNW 8 20 NW 9 20 NW 8 17 NW 8 16 NW 8 19 NW 7 15 WNW 4 8 WNW 3 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG VG VG VG VG G
Humidity Expand
89% 90% 89% 89% 76% 72% 88% 93%
UV index Expand
1 1 1
Sunrise: 08:02 Sunset: 16:51 Moon phase: First quarter Air pollution: 2
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Cloudy Cloudy Overcast Overcast Overcast Cloudy Cloudy Light rain
10% 10% 10% 20% 20% 20% 20% 50%
Temperature (°C)
2 ° 3 ° 3 ° 4 ° 6 ° 7 ° 7 ° 7 °
Show detail Show detail
Feels like temperature (°C) Expand
1 ° 1 ° 1 ° 2 ° 4 ° 5 ° 5 ° 6 °
Wind direction, speed & gust (mph) Expand
NW 3 6 SSE 4 8 SSE 4 8 SE 4 8 SSE 5 11 SSW 6 13 SSW 6 11 SSW 5 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G M M M M P
Humidity Expand
96% 95% 93% 96% 94% 93% 96% 97%
UV index Expand
1 1 1
Sunrise: 08:01 Sunset: 16:53 Moon phase: Waxing gibbous Air pollution: 2
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Light rain Overcast Drizzle Light rain Light rain Light rain Light rain Light rain
50% 20% 30% 50% 50% 50% 50% 50%
Temperature (°C)
7 ° 7 ° 7 ° 7 ° 8 ° 9 ° 8 ° 8 °
Show detail Show detail
Feels like temperature (°C) Expand
6 ° 5 ° 6 ° 6 ° 7 ° 7 ° 6 ° 5 °
Wind direction, speed & gust (mph) Expand
SSW 5 11 SSW 5 9 W 5 9 WNW 6 10 W 7 13 WSW 11 21 WSW 11 21 WSW 11 22
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VP M VP VP VP P P P
Humidity Expand
98% 98% 99% 99% 98% 97% 97% 97%
UV index Expand
1 1 1
Sunrise: 07:59 Sunset: 16:55 Moon phase: Waxing gibbous
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
50% 60% 50% 60% 50% 50% 50% 50%
Temperature (°C)
8 ° 8 ° 8 ° 8 ° 8 ° 8 ° 7 ° 6 °
Show detail Show detail
Feels like temperature (°C) Expand
5 ° 5 ° 5 ° 5 ° 5 ° 5 ° 4 ° 4 °
Wind direction, speed & gust (mph) Expand
WSW 13 25 WSW 13 26 WSW 13 25 WSW 12 23 WSW 12 24 WSW 12 23 WSW 10 20 WSW 10 20
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M M M M M M
Humidity Expand
97% 96% 96% 96% 93% 92% 93% 94%
UV index Expand
1 1 1
Sunrise: 07:58 Sunset: 16:56 Moon phase: Waxing gibbous

Issued at:

Forecast Summary

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

Wales

Headline:

Turning wet and windy tonight. Cooler and brighter tomorrow.

This Evening and Tonight:

A dry start to the night with clear spells, but winds will strengthen with rain arriving by midnight. This will turn heavy and squally for a time, with gales in exposed parts. However, it will be mild. Minimum temperature 6 °C.

Wednesday:

Wet and windy at first, but turning brighter with scattered heavy showers. Staying windy for most and gradually feeling cooler through the day. Maximum temperature 11 °C.

Outlook for Thursday to Saturday:

Becoming colder, with sunshine and showers on Thursday. A frosty start on Friday, but drier with sunny spells. Milder again on Saturday with some rain.

Updated: 16:35 on Tue 23 Jan 2018 GMT

UK forecast for the next 5 days

Headline:

Turning increasingly wet and windy from the north and west.

This Evening and Tonight:

Rain, heavy at times, will spread across northern and western areas through this evening and into the early hours. Drier elsewhere but generally cloudy. Windy for most, with severe gales likely for western Scotland.

Wednesday:

Very windy for most, with severe gales likely for northern Scotland. Heavy rain will continue to spread southeast across England and Wales, with brighter and showery conditions in the northwest.

Outlook for Thursday to Saturday:

Turning colder, with sunshine and showers on Thursday, possibly turning wintry over northern hills. Quieter on Friday, with sunny spells after an early frost. Milder with some rain on Saturday.

Updated: 15:09 on Tue 23 Jan 2018 GMT

Outlook for the UK over the next 6-30 days

UK Outlook for Sunday 28 Jan 2018 to Tuesday 6 Feb 2018:

It is likely to be mild on Sunday 28th, but it will be rather changeable with bright and showery weather interspersed with bands of cloud and longer spells of rain. The rain will probably be heaviest in northern and western parts where it will be windy too, and the driest weather will be in the south and east. It will stay changeable through the rest of January, but perhaps colder with an increased risk of snow in the north. Through the start of February, it is likely to turn mainly dry and perhaps a touch colder, particularly in the south, with a risk of overnight frost and fog. Winds are expected to ease overall with strong winds becoming mostly restricted to the north.

UK Outlook for Wednesday 7 Feb 2018 to Wednesday 21 Feb 2018:

Early February is likely to bring relatively settled conditions with a good deal of dry weather, relatively light winds and frost and fog expected to form overnight. However spells of wet and windy weather are still likely across the north. Into the middle of February the forecast is looking very uncertain. However, we are most likely to see short spells of wet and windy weather move across the UK, interspersed with colder, brighter and drier interludes. Throughout this period temperatures are expected to average out at close to normal but it will be colder at times during the periods of more settled weather

Updated: 15:09 on Tue 23 Jan 2018 GMT

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