Sunday
Cloudy
High: 7°C
(45°F)
Wind: ESE at 7 mph (11 km/h)
Humidity: 76%
5% chance of showers
Carmarthen Weather - Extended Forecast
Regional Forecast
Monday
Monday will probably be a brighter day overall with sunny periods once any early fog or low cloud has cleared. Fairly light winds but chilly nonetheless after a cold start. Maximum temperature 7°C.
Outlook For Tuesday To Thursday
Remaining generally dry to end 2025 with sunny periods at times. Widespread overnight frosts and patchy freezing fog. Perhaps breezier with isolated showers on New Year's Day. Feeling rather cold.
Daily Forecast
Sunday Night
Cloudy
Low: 3°C
(37°F)
Wind: ENE at 4 mph (6 km/h)
Humidity: 83%
10% chance of showers
Monday
Cloudy
High: 6°C
(43°F)
Wind: ENE at 7 mph (11 km/h)
Humidity: 76%
5% chance of showers
Monday Night
Cloudy
Low: 3°C
(37°F)
Wind: NNE at 7 mph (11 km/h)
Humidity: 83%
5% chance of showers
Tuesday
Cloudy
High: 6°C
(43°F)
Wind: ENE at 9 mph (14 km/h)
Humidity: 69%
10% chance of showers
Tuesday Night
Partly cloudy
Low: -1°C
(30°F)
Wind: NE at 7 mph (11 km/h)
Humidity: 84%
5% chance of showers
Wednesday
Cloudy
High: 5°C
(41°F)
Wind: N at 2 mph (3 km/h)
Humidity: 75%
5% chance of showers
Wednesday Night
Overcast
Low: 1°C
(34°F)
Wind: W at 7 mph (11 km/h)
Humidity: 81%
10% chance of showers
Thursday
Cloudy
High: 8°C
(46°F)
Wind: WNW at 16 mph (26 km/h)
Humidity: 79%
10% chance of showers
Thursday Night
Cloudy
Low: 4°C
(39°F)
Wind: NW at 11 mph (18 km/h)
Humidity: 84%
10% chance of showers