Grittenham Weather Forecast
- 5
- 6
Cloudy
- 4
- 8
Heavy rain
- 6
- 9
Partly cloudy
- 5
- 8
Overcast
- 5
- 7
Overcast
- 4
- 8
Overcast
Grittenham Temperature Statistics
January Temperature
Lyneham (5km)
Lowest 5 January, 2026
-4.4 °CAverage January
2.9 °CHighest 12 January, 2026
11 °C
Climate (2021–Present)
Lyneham (5km)
Average Low 2021–2026
7.5 °CAverage 2021–2026
10.9 °CAverage High 2021–2026
14.4 °C