Swansea Airport Weather Forecast
- 13
- 14
Overcast
- 14
- 20
Cloudy
- 12
- 16
Cloudy
- 12
- 18
Partly cloudy
- 13
- 21
Sunny day
- 14
- 23
Sunny day
- 15
- 24
Sunny day
Today 20 May Wales
Largely cloudy at first today, but some brighter spells will develop at times. A few spots of rain are possible where the cloud thickens. Breezy, but feeling pleasant in the sunshine. Maximum temperature 19 °C.
Tonight 20 May Wales
Showers easing away for a time, but further outbreaks of rain arriving after midnight. A mild night under the blanket of cloud. Minimum temperature 10 °C.
Swansea Airport Temperature Statistics
May Temperature
Pembrey Sands Samos (23km)
Lowest 12 May, 2026
2.5 °CAverage May
11.4 °CHighest 9 May, 2026
19.4 °C
Climate (2021–Present)
Pembrey Sands Samos (23km)
Average Low 2021–2026
8.4 °CAverage 2021–2026
11.7 °CAverage High 2021–2026
14.4 °C