St Martin's Weather Forecast
- 17
- 20
Overcast
- 17
- 18
Overcast
- 17
- 19
Cloudy
- 16
- 18
Partly cloudy
- 16
- 17
Cloudy
- 16
- 17
Partly cloudy
- 17
- 18
Cloudy
Today 12 Sep South West England
Widely dry with bright or sunny spells at first, although perhaps a few isolated light showers around. Clouding over a little more during the afternoon, but very likely dry and feeling rather warm. Becoming rather breezy towards the coast. Maximum temperature 22 °C.
Tonight 12 Sep South West England
Cloud will thicken overnight with outbreaks of rain moving in from the north, however, some southern parts could remain dry until morning. Rather breezy in places and feeling muggy overnight. Minimum temperature 17 °C.
St Martin's Temperature Statistics
September Temperature
Scilly St Marys (5km)
Lowest 5 September, 2026
14.3 °CAverage September
17.4 °CHighest 6 September, 2026
22 °C
Climate (2021–2026)
Scilly St Marys (5km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
12.9 °CAverage High 2021–2026
14.6 °C