St Mary's Weather Forecast
- 19
- 20
Sunny day
- 18
- 20
Sunny day
- 17
- 19
Cloudy
- 16
- 18
Sunny day
- 17
- 18
Cloudy
- 18
- 18
Sunny day
- 17
- 19
Partly cloudy
Today 11 Jul South West England
Early mist and fog soon burning back to the coasts, with widely clear skies to follow. Plenty of warm or hot sunshine with light winds, though some cloud bubbling up across southern parts in the afternoon. Maximum Temperature 30C.
Tonight 11 Jul South West England
Warm and muggy with late evening sunshine and clear skies to follow. Light winds allow some mist and patchy fog to return to rural spots and along the coasts. Minimum Temperature 15C.
St Mary's Temperature Statistics
July Temperature
Scilly St Marys (1km)
Lowest 4 July, 2025
13.6 °CAverage July
16.6 °CHighest 4 July, 2025
20.7 °C
Climate (2020–Present)
Scilly St Marys (1km)
Average Low 2020–2025
10.9 °CAverage 2020–2025
12.4 °CAverage High 2020–2025
14.1 °C