Great Cumbrae Island Weather Forecast
- 6
- 9
Partly cloudy
- 7
- 9
Cloudy
- 8
- 9
Light rain
- 6
- 8
Cloudy
- 4
- 7
Cloudy
- 4
- 6
Partly cloudy
Today 20 Dec Strathclyde
Mainly dry with only a few well scattered showers appearing. With winds now backed southeasterly best of the sunny spells will be in the Central Belt. Maximum Temperature 9C.
Great Cumbrae Island Temperature Statistics
December Temperature
Glasgow/bishopton (28km)
Lowest 16 December, 2025
-0.2 °CAverage December
7 °CHighest 9 December, 2025
14.1 °C
Climate (2020–Present)
Glasgow/bishopton (28km)
Average Low 2020–2025
6.4 °CAverage 2020–2025
9.7 °CAverage High 2020–2025
13.1 °C