Guest, Sign inJoin
Weather in Carmarthen · MET Norway forecast + Met Office averages

Up to 10 degrees in Carmarthen today, cloudy

The heaviest rain of the week is due on Wednesday, around 3 mm. What counts as normal for Carmarthen in November: highs come to 11°C (51°F) and lows to 4°C (39°F). No rain is due today, though a breeze picks up to 13 mph; the low is 7°C (44°F).

Winter 8°/2°CSpring 13°/5°CSummer 20°/11°CAutumn 14°/7°C
Right now
10°C
Cloudy · 49°F
High 10°C · Low 7°C · Wind 13 mph
Today 2°C cooler than a normal 5 November
Sunrise 07:19 · sunset 16:42
Today
10°C / 7°C
A normal 5 November: 12°C / 5°C
Rain, next 24 hours
None
Staying mostly dry
Wind
13 mph
From the east · up to 13 mph today
Humidity
73%
relative humidity
Daylight
9 h 23 min
07:19 to 16:42
Hour by hour · °C

The next 24 hours in Carmarthen

Expect 10°C at the warmest, around 13:00, and 5°C at the coolest, around 06:00. Hardly a drop is expected.

13:00 · 10°C (49°F) · Cloudy · 0.0 mm · wind 13 mph10°Now14:00 · 10°C (49°F) · Cloudy · 0.0 mm · wind 11 mph15:00 · 10°C (49°F) · Partly cloudy · 0.0 mm · wind 11 mph10°16:00 · 9°C (49°F) · Partly cloudy · 0.0 mm · wind 8 mph16:0017:00 · 8°C (47°F) · Partly cloudy · 0.0 mm · wind 7 mph8°18:00 · 8°C (46°F) · Partly cloudy · 0.0 mm · wind 7 mph19:00 · 7°C (45°F) · Partly cloudy · 0.0 mm · wind 7 mph7°19:0020:00 · 7°C (44°F) · Partly cloudy · 0.0 mm · wind 6 mph21:00 · 7°C (45°F) · Partly cloudy · 0.0 mm · wind 6 mph7°22:00 · 7°C (45°F) · Cloudy · 0.0 mm · wind 6 mph22:0023:00 · 7°C (45°F) · Cloudy · 0.0 mm · wind 6 mph7°00:00 · 8°C (46°F) · Mostly clear · 0.0 mm · wind 6 mph01:00 · 7°C (44°F) · Mostly clear · 0.0 mm · wind 6 mph7°01:0002:00 · 6°C (43°F) · Partly cloudy · 0.0 mm · wind 6 mph03:00 · 6°C (43°F) · Partly cloudy · 0.0 mm · wind 7 mph6°04:00 · 6°C (42°F) · Partly cloudy · 0.0 mm · wind 6 mph04:0005:00 · 6°C (42°F) · Cloudy · 0.0 mm · wind 6 mph6°06:00 · 5°C (42°F) · Mostly clear · 0.0 mm · wind 6 mph5°07:00 · 5°C (41°F) · Partly cloudy · 0.0 mm · wind 6 mph5°07:0008:00 · 6°C (43°F) · Cloudy · 0.0 mm · wind 7 mph09:00 · 7°C (45°F) · Cloudy · 0.0 mm · wind 8 mph7°10:00 · 8°C (47°F) · Partly cloudy · 0.0 mm · wind 7 mph10:0011:00 · 9°C (47°F) · Cloudy · 0.0 mm · wind 7 mph9°12:00 · 9°C (48°F) · Partly cloudy · 0.0 mm · wind 8 mph
TemperatureRain (mm in the hour)Night
7 days · °C

The week ahead, against a normal week

The days ahead stay close to the usual for the date. Tap a day for more.

Today5 NovCloudydry7°10°−2°

Thursday 5 November: Cloudy, a high of 10°C (49°F) and a low of 7°C (44°F); no rain expected; wind up to 13 mph.

A normal 5 November in Carmarthen: high 12°C, low 5°C.

Tomorrow6 NovCloudydry5°10°−2°

Friday 6 November: Cloudy, a high of 10°C (50°F) and a low of 5°C (41°F); no rain expected; wind up to 8 mph.

A normal 6 November in Carmarthen: high 12°C, low 5°C.

Sat7 NovLight rain0.1 mm rain4°10°normal

Saturday 7 November: Light rain, a high of 10°C (51°F) and a low of 4°C (38°F); 0.1 mm of rain; wind up to 6 mph.

A normal 7 November in Carmarthen: high 12°C, low 5°C.

Sun8 NovCloudydry3°8°−4°

Sunday 8 November: Cloudy, a high of 8°C (46°F) and a low of 3°C (37°F); no rain expected; wind up to 4 mph.

A normal 8 November in Carmarthen: high 11°C, low 5°C.

Mon9 NovMostly sunnydry3°9°−3°

Monday 9 November: Mostly sunny, a high of 9°C (47°F) and a low of 3°C (37°F); no rain expected; wind up to 12 mph.

A normal 9 November in Carmarthen: high 11°C, low 5°C.

Tue10 NovSunny0.5 mm rain4°9°−3°

Tuesday 10 November: Sunny, a high of 9°C (47°F) and a low of 4°C (40°F); 0.5 mm of rain; wind up to 12 mph.

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

Wed11 NovLight rain3.0 mm rain8°11°normal

Wednesday 11 November: Light rain, a high of 11°C (51°F) and a low of 8°C (46°F); 3.0 mm of rain; wind up to 11 mph.

A normal 11 November in Carmarthen: high 11°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 CarmarthenFlood risk in the town, and where Natural Resources Wales posts its flood warnings.Carmarthen’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 5 November, 13:08. 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.