25/01/2026 – Weather in Cornwall

A mixed and increasingly unsettled spell of weather is forecast across the South West of England from Sunday 25th January to Thursday 29th January, with heavy rain, showers and strong winds expected at times.

Sunday 25th January

Today is set to be a wet one for some areas. A band of heavy rain is likely to stall across Devon, Somerset and Dorset, before moving east later in the day. Cornwall may see brighter spells, although a few showers are still possible.

Winds are expected to become light, with a maximum temperature of 8°C.

Tonight

Showery rain will gradually ease across eastern counties, with clearer periods developing for many areas. It will turn cold overnight, with frost and fog forming in places, particularly in the east.

Winds will begin to freshen in Cornwall later in the night. Temperatures are forecast to fall to around 1°C.

Monday 26th January

Any early fog and frost should clear quickly, allowing for some brightness in places during the morning. Southeasterly winds will freshen as the day goes on, with further rain spreading east during the afternoon. Some of this rain could be heavy at times.

The maximum temperature on Monday is expected to reach 9°C.

Outlook for Tuesday to Thursday

The unsettled weather continues through the middle of the week. Heavy rain, showers and strong winds are forecast at times, with conditions particularly wet and windy on Tuesday and Thursday.

Gales are possible in some areas, with only brief sunnier interludes expected between weather systems.