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Great War soldier silhouette in Merthyr Tydfil town centrePhoto: Jaggery · CC BY-SA 2.0
Weather in Merthyr Tydfil · MET Norway forecast + Met Office averages

Today in Merthyr Tydfil: only 2 degrees, below the November norm

In a typical November, days climb to about 9°C (48°F) and nights sink to 4°C (38°F), the yardstick for Merthyr Tydfil’s forecast. A settled, dry day lies ahead today: light wind up to 3 mph, then a low of 1°C (33°F). Rain peaks later in the week on Tuesday, at about 16 mm for the day.

Winter 7°/1°CSpring 12°/4°CSummer 18°/10°CAutumn 13°/6°C
Right now
2°C
Mostly clear · 35°F
High 2°C · Low 1°C · Wind 2 mph
Today 8°C cooler than a normal 13 November
Sunrise 07:29 · sunset 16:26
Today
2°C / 1°C
A normal 13 November: 9°C / 4°C
Rain, next 24 hours
None
Staying mostly dry
Wind
2 mph
From the south-west · up to 3 mph today
Humidity
84%
relative humidity
Daylight
8 h 57 min
07:29 to 16:26
Hour by hour · °C

The next 24 hours in Merthyr Tydfil

The day peaks around 13:00 at 6°C and bottoms out near 04:00 at −1°C. Rain stays out of the picture.

17:00 · 2°C (35°F) · Mostly clear · 0.0 mm · wind 2 mph2°Now18:00 · 1°C (34°F) · Partly cloudy · 0.0 mm · wind 1 mph19:00 · 1°C (34°F) · Partly cloudy · 0.0 mm · wind 2 mph1°20:00 · 1°C (34°F) · Partly cloudy · 0.0 mm · wind 1 mph20:0021:00 · 1°C (33°F) · Partly cloudy · 0.0 mm · wind 2 mph1°22:00 · 1°C (33°F) · Partly cloudy · 0.0 mm · wind 3 mph23:00 · 1°C (33°F) · Partly cloudy · 0.0 mm · wind 3 mph1°23:0000:00 · 0°C (32°F) · Partly cloudy · 0.0 mm · wind 3 mph01:00 · 0°C (32°F) · Partly cloudy · 0.0 mm · wind 3 mph0°02:00 · 0°C (32°F) · Partly cloudy · 0.0 mm · wind 3 mph02:0003:00 · 0°C (31°F) · Partly cloudy · 0.0 mm · wind 3 mph0°04:00 · −1°C (31°F) · Partly cloudy · 0.0 mm · wind 3 mph−1°05:00 · −1°C (31°F) · Partly cloudy · 0.0 mm · wind 3 mph−1°05:0006:00 · −1°C (31°F) · Partly cloudy · 0.0 mm · wind 4 mph07:00 · 0°C (31°F) · Partly cloudy · 0.0 mm · wind 4 mph0°08:00 · 0°C (32°F) · Partly cloudy · 0.0 mm · wind 5 mph08:0009:00 · 2°C (36°F) · Partly cloudy · 0.0 mm · wind 7 mph2°10:00 · 4°C (39°F) · Sunny · 0.0 mm · wind 7 mph11:00 · 5°C (41°F) · Mostly sunny · 0.0 mm · wind 8 mph5°11:0012:00 · 5°C (42°F) · Partly cloudy · 0.0 mm · wind 9 mph13:00 · 6°C (42°F) · Partly cloudy · 0.0 mm · wind 10 mph6°14:00 · 6°C (43°F) · Partly cloudy · 0.0 mm · wind 10 mph14:0015:00 · 6°C (43°F) · Cloudy · 0.0 mm · wind 9 mph6°16:00 · 5°C (41°F) · Cloudy · 0.0 mm · wind 9 mph
TemperatureRain (mm in the hour)Night
7 days · °C

The week ahead, against a normal week

Most days run cooler than normal for the date. Tap a day for more.

Today13 NovMostly cleardry1°2°−8°

Friday 13 November: Mostly clear, a high of 2°C (35°F) and a low of 1°C (33°F); no rain expected; wind up to 3 mph.

A normal 13 November in Merthyr Tydfil: high 9°C, low 4°C.

Tomorrow14 NovPartly cloudydry−1°6°−3°

Saturday 14 November: Partly cloudy, a high of 6°C (43°F) and a low of −1°C (31°F); no rain expected; wind up to 11 mph.

A normal 14 November in Merthyr Tydfil: high 9°C, low 4°C.

Sun15 NovHeavy rain4.9 mm rain3°9°normal

Sunday 15 November: Heavy rain, a high of 9°C (48°F) and a low of 3°C (37°F); 4.9 mm of rain; wind up to 16 mph.

A normal 15 November in Merthyr Tydfil: high 9°C, low 4°C.

Mon16 NovSleet2.9 mm rain1°5°−4°

Monday 16 November: Sleet, a high of 5°C (40°F) and a low of 1°C (33°F); 2.9 mm of rain; wind up to 10 mph.

A normal 16 November in Merthyr Tydfil: high 9°C, low 3°C.

Tue17 NovCloudy16.3 mm rain1°2°−7°

Tuesday 17 November: Cloudy, a high of 2°C (35°F) and a low of 1°C (34°F); 16.3 mm of rain; wind up to 16 mph.

A normal 17 November in Merthyr Tydfil: high 9°C, low 3°C.

Wed18 NovLight rain1.0 mm rain−2°3°−5°

Wednesday 18 November: Light rain, a high of 3°C (38°F) and a low of −2°C (29°F); 1.0 mm of rain; wind up to 6 mph.

A normal 18 November in Merthyr Tydfil: high 9°C, low 3°C.

Thu19 NovRain11.2 mm rain5°9°normal

Thursday 19 November: Rain, a high of 9°C (47°F) and a low of 5°C (42°F); 11.2 mm of rain; wind up to 12 mph.

A normal 19 November in Merthyr Tydfil: high 9°C, low 3°C.

Normal range for the date (Met Office 1991–2020)Forecast low to high

Warnings and more

This page doesn’t repeat official warnings: check the Met Office before travelling in bad weather.

Met Office weather warningsSevere weather warnings for wind, rain, snow, ice, fog and heat are issued by the Met Office, the UK’s official service.Flood warnings for Merthyr TydfilFlood risk in the town, and where Natural Resources Wales posts its flood warnings.Merthyr Tydfil’s climateNormal temperatures, rain and frost month by month, from the Met Office’s 30-year averages.

Forecast: Data from MET Norway (Norwegian Meteorological Institute), CC BY 4.0; temperatures converted to °F, wind to mph and times to UK time by us, fetched 13 November, 17:24. Normals: Met Office HadUK-Grid 1991–2020 averages for the town (Contains Met Office data © Crown copyright, Open Government Licence v3.0). Sunrise and sunset are calculated from the town’s position.

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.