Porth Diana Weather Forecast
- 17
- 18
Overcast
- 17
- 19
Cloudy
- 14
- 20
Cloudy
- 11
- 18
Sunny day
- 14
- 18
Sunny day
- 14
- 18
Partly cloudy
- 15
- 20
Cloudy
Today 27 Jul Wales
Apart from the chance of an early light shower across north and mid Wales, Monday promises to be generally dry with bright or sunny spells, mainly in the east. Feeling quite warm in the westerly breeze. Maximum temperature 21 °C.
Tonight 27 Jul Wales
Remaining cloudy, with some clear spells in the east. The cloud will bring showery outbreaks of rain or drizzle, chiefly over the hills and mountains. Minimum temperature 13 °C.
Porth Diana Temperature Statistics
July Temperature
Valley (6km)
Lowest 24 July, 2026
10.6 °CAverage July
17.5 °CHighest 11 July, 2026
28.9 °C
Climate (2021–2026)
Valley (6km)
Average Low 2021–2026
9.1 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
13.9 °C