Cefn Weather Forecast
- 15
- 30
Sunny day
- 13
- 29
Sunny day
- 11
- 23
Sunny day
- 13
- 25
Sunny day
- 10
- 20
Partly cloudy
- 12
- 21
Cloudy
- 12
- 20
Cloudy
Today 25 May Wales
Hot and humid on bank holiday Monday, exceptionally so for late May, with widespread strong sunshine and light winds. Slightly fresher at the coast with a sea breeze. Maximum temperature 30 °C.
Cefn Temperature Statistics
May Temperature
Lake Vyrnwy Saws (26km)
Lowest 12 May, 2026
1.7 °CAverage May
9 °CHighest 22 May, 2026
21.3 °C
Climate (2021–Present)
Lake Vyrnwy Saws (26km)
Average Low 2021–2026
6.3 °CAverage 2021–2026
9 °CAverage High 2021–2026
11.8 °C