Corsham Weather Forecast, Wiltshire SN13 9

Today 11 Aug South West England

Hazy sunshine through this morning and quickly becoming very warm. Thicker cloud moving eastwards this afternoon with a few showers possible, these perhaps giving some lightning flashes and rumbles of thunder. Gusty easterly winds developing, especially in Devon and Cornwall. Maximum Temperature 28C.

Tonight 11 Aug South West England

Scattered showers this evening, with thunder and lightning possible. However, many places remaining dry. Clearer skies arriving overnight but staying warm and humid making for an uncomfortable night for sleeping. Minimum Temperature 15C.

Tue 12 Aug South West England

A sunny and very warm day and turning hot in eastern counties. Some English Channel coastal areas and parts of Cornwall may turn misty and grey later. Lighter winds. Maximum Temperature 31C.

Wed 13 Aug South West England

Very warm and mostly sunny on Wednesday with isolated showers or thunderstorms. Cloudier and fresher on Thursday with a few showers possible. Dry and warm on Friday with sunny spells.

Thu 14 Aug South West England

Very warm and mostly sunny on Wednesday with isolated showers or thunderstorms. Cloudier and fresher on Thursday with a few showers possible. Dry and warm on Friday with sunny spells.

Fri 15 Aug South West England

Very warm and mostly sunny on Wednesday with isolated showers or thunderstorms. Cloudier and fresher on Thursday with a few showers possible. Dry and warm on Friday with sunny spells.

Sat 16 Aug South West England

High pressure will likely build leading to a period of fairly dry and settled weather for many at first, with a few light showers in the north. There may however be some heavy, thundery showers over the weekend, especially in the south. Temperatures will likely remain above normal, and much of the south could still see warm or very warm temperatures for at least a couple of days. There is a possibility that the heat could last further into the week, especially in the south. Beyond this high pressure will likely continue leading to plenty of fine weather, perhaps with the odd heavy shower or thunderstorm. Temperatures will likely continue to be above normal but there are some signs of fresher conditions developing in the north later.

Sun 17 Aug South West England

High pressure will likely build leading to a period of fairly dry and settled weather for many at first, with a few light showers in the north. There may however be some heavy, thundery showers over the weekend, especially in the south. Temperatures will likely remain above normal, and much of the south could still see warm or very warm temperatures for at least a couple of days. There is a possibility that the heat could last further into the week, especially in the south. Beyond this high pressure will likely continue leading to plenty of fine weather, perhaps with the odd heavy shower or thunderstorm. Temperatures will likely continue to be above normal but there are some signs of fresher conditions developing in the north later.

Corsham Weather Forecast

Today 11 Aug South West England

Tonight 11 Aug South West England

Tue 12 Aug South West England

Wed 13 Aug South West England

Thu 14 Aug South West England

Fri 15 Aug South West England

Sat 16 Aug South West England

Sun 17 Aug South West England

Temperature Forecast Met Office

Temperature Real-Time

Dean Hill (Wiltshire) Radar

National Satellite

National Synoptic

Corsham Temperature Statistics

August Temperature

Lyneham (15km)

Lowest 11 January, 2025

Average 2025

Highest 11 July, 2025

Lowest 3 July, 2025

Average July

Highest 11 July, 2025

Lowest 6 August, 2025

Average August

Highest 3 August, 2025

Climate (2020–Present)

Lyneham (15km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025