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Public toilets in Mountain Ash town centrePhoto: Jaggery · CC BY-SA 2.0
Weather in Mountain Ash · MET Norway forecast + Met Office averages

Mountain Ash tomorrow: about 11 mm of rain, with a high of 7 degrees

The low is 5°C (40°F), with the wind peaking at 15 mph tomorrow. Rain barely features in the rest of the week, with 5 of 6 days dry. Cooler than usual for Mountain Ash tomorrow: a typical November day reaches 10°C (49°F) and drops to 4°C (39°F) at night.

Winter 7°/2°CSpring 12°/4°CSummer 19°/11°CAutumn 13°/7°C
Right now
5°C
Fog · 41°F
High 7°C · Low 5°C · Wind 15 mph
Tomorrow 4°C cooler than a normal 10 November
Sunrise 07:21 · sunset 16:32
Tomorrow
7°C / 5°C
A normal 10 November: 10°C / 4°C
Rain, next 24 hours
10.9 mm
A wet day: take a coat
Wind
15 mph
From the east · up to 15 mph tomorrow
Humidity
98%
relative humidity
Daylight
9 h 11 min
07:21 to 16:32
Hour by hour · °C

The next 24 hours in Mountain Ash

The day peaks around 19:00 at 7°C and bottoms out near 23:00 at 5°C. Wettest around 10:00 (1.4 mm in the hour).

23:00 · 5°C (41°F) · Fog · 0.0 mm · wind 15 mph5°Now00:00 · 5°C (40°F) · Fog · 0.0 mm · wind 15 mph01:00 · 5°C (40°F) · Fog · 0.0 mm · wind 15 mph5°02:00 · 5°C (41°F) · Fog · 0.0 mm · wind 15 mph02:0003:00 · 5°C (41°F) · Fog · 0.0 mm · wind 15 mph5°04:00 · 5°C (41°F) · Fog · 0.0 mm · wind 15 mph05:00 · 5°C (41°F) · Fog · 0.0 mm · wind 14 mph5°05:0006:00 · 5°C (41°F) · Fog · 0.0 mm · wind 14 mph07:00 · 5°C (42°F) · Light rain · 0.2 mm · wind 15 mph5°08:00 · 5°C (42°F) · Rain · 0.4 mm · wind 14 mph08:0009:00 · 5°C (42°F) · Heavy rain · 1.2 mm · wind 15 mph5°10:00 · 6°C (42°F) · Heavy rain · 1.4 mm · wind 15 mph1.4 mm11:00 · 6°C (42°F) · Rain · 0.6 mm · wind 15 mph6°11:0012:00 · 6°C (43°F) · Rain · 0.4 mm · wind 15 mph13:00 · 6°C (43°F) · Rain · 0.9 mm · wind 15 mph6°14:00 · 6°C (43°F) · Light rain · 0.3 mm · wind 14 mph14:0015:00 · 6°C (44°F) · Light rain · 0.2 mm · wind 14 mph6°16:00 · 6°C (44°F) · Light rain · 0.3 mm · wind 14 mph17:00 · 6°C (44°F) · Rain · 0.4 mm · wind 14 mph6°17:0018:00 · 6°C (44°F) · Rain · 0.9 mm · wind 14 mph19:00 · 7°C (44°F) · Heavy rain · 1.2 mm · wind 15 mph7°20:00 · 7°C (44°F) · Heavy rain · 1.1 mm · wind 14 mph20:0021:00 · 7°C (44°F) · Rain · 0.9 mm · wind 14 mph7°22:00 · 7°C (44°F) · Rain · 0.5 mm · wind 14 mph
TemperatureRain (mm in the hour)Night
7 days · °C

The week ahead, against a normal week

Cooler than normal most of the week. Tap a day for more.

Tue10 NovHeavy rain11.2 mm rain5°7°−4°

Tuesday 10 November: Heavy rain, a high of 7°C (44°F) and a low of 5°C (40°F); 11.2 mm of rain; wind up to 15 mph.

A normal 10 November in Mountain Ash: high 10°C, low 4°C.

Wed11 NovLight rain2.7 mm rain6°7°−3°

Wednesday 11 November: Light rain, a high of 7°C (45°F) and a low of 6°C (43°F); 2.7 mm of rain; wind up to 15 mph.

A normal 11 November in Mountain Ash: high 10°C, low 4°C.

Thu12 NovSunnydry3°6°−4°

Thursday 12 November: Sunny, a high of 6°C (43°F) and a low of 3°C (38°F); no rain expected; wind up to 14 mph.

A normal 12 November in Mountain Ash: high 10°C, low 4°C.

Fri13 NovSunnydry1°7°−3°

Friday 13 November: Sunny, a high of 7°C (44°F) and a low of 1°C (34°F); no rain expected; wind up to 7 mph.

A normal 13 November in Mountain Ash: high 10°C, low 4°C.

Sat14 NovCloudydry0°6°−4°

Saturday 14 November: Cloudy, a high of 6°C (43°F) and a low of 0°C (33°F); no rain expected; wind up to 7 mph.

A normal 14 November in Mountain Ash: high 10°C, low 4°C.

Sun15 NovCloudydry2°5°−4°

Sunday 15 November: Cloudy, a high of 5°C (42°F) and a low of 2°C (36°F); no rain expected; wind up to 10 mph.

A normal 15 November in Mountain Ash: high 10°C, low 4°C.

Mon16 NovSunnydry2°7°−2°

Monday 16 November: Sunny, a high of 7°C (45°F) and a low of 2°C (36°F); no rain expected; wind up to 9 mph.

A normal 16 November in Mountain Ash: high 10°C, low 4°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 Mountain AshFlood risk in the town, and where Natural Resources Wales posts its flood warnings.Mountain Ash’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 9 November, 23:31. 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.