Swansea Bay Weather Forecast
- 18
- 32
Partly cloudy
- 18
- 29
Cloudy
- 18
- 29
Partly cloudy
- 18
- 27
Light rain
- 17
- 27
Light rain
- 18
- 28
Cloudy
- 18
- 28
Cloudy
Today 15 Sep Wales
Cloudy start, with outbreaks of rain sinking south across Wales. Turning drier and brighter by mid-morning with sunny spells and isolated showers, mostly in the west. Staying warm but much less humid than in recent days. Maximum temperature 19 °C.
Tonight 15 Sep Wales
Showers continuing in places within the northwesterly breeze, gusty around coastal areas. Turning cloudier overnight, feeling cooler than previous nights. Minimum temperature 9 °C.
Swansea Bay Temperature Statistics
September Temperature
Pembrey Sands Samos (29km)
Lowest 5 September, 2026
7.1 °CAverage September
17.1 °CHighest 6 September, 2026
24.3 °C
Climate (2021–2026)
Pembrey Sands Samos (29km)
Average Low 2021–2026
8.5 °CAverage 2021–2026
11.8 °CAverage High 2021–2026
14.6 °C