Cardiff Weather Forecast
- 13
- 20
Cloudy
- 14
- 22
Partly cloudy
- 16
- 24
Sunny day
- 17
- 23
Partly cloudy
- 17
- 23
Sunny day
- 19
- 26
Sunny day
- 19
- 26
Sunny day
Today 6 Aug Wales
A risk of a few showers during the morning, but much of Wales becoming dry with sunny spells by the afternoon. Lighter winds than today with temperatures around average. Maximum temperature 21 °C.
Tonight 6 Aug Wales
Overnight see some patchy cloud and most clear spells, with the odd shower in the west. A cool night and comfortable night across the region. Minimum temperature 4 °C.
Cardiff Temperature Statistics
August Temperature
St-athan (20km)
Lowest 2 August, 2026
12 °CAverage August
19.1 °CHighest 3 August, 2026
27.5 °C
Climate (2021–2026)
St-athan (20km)
Average Low 2021–2026
9 °CAverage 2021–2026
11.9 °CAverage High 2021–2026
14.8 °C