Newcastle Weather Forecast
- 18
- 33
Sunny day
- 19
- 28
Sunny day
- 16
- 23
Cloudy
- 14
- 22
Partly cloudy
- 17
- 20
Cloudy
- 16
- 21
Cloudy
Today 12 Aug Wales
Dry with lots of strong sunshine, temperatures rising rapidly during the morning. High level cloud will make the skies a little hazy at times. Feeling very warm and locally hot. Maximum temperature 31 °C.
Newcastle Temperature Statistics
August Temperature
St-athan (15km)
Lowest 7 August, 2026
9.6 °CAverage August
18.2 °CHighest 3 August, 2026
27.5 °C
Climate (2021–2026)
St-athan (15km)
Average Low 2021–2026
9 °CAverage 2021–2026
11.9 °CAverage High 2021–2026
14.8 °C