Porthleven Weather Forecast, Cornwall TR13 9

Today 21 Dec South West England

A chilly but bright morning, with scattered showers, these heaviest and most frequent in the west. Tending to cloud over for most during the afternoon, with further showery outbreaks of rain. Breezy around the coasts. Maximum Temperature 10C.

Tonight 21 Dec South West England

Remaining cloudy through the evening with a band of heavy rain pushing northwestwards overnight. The rain slowly clearing during the early hours, though staying rather cloudy, with some drizzle in the west. Feeling mild. Breezy along coasts at times. Minimum Temperature 5C.

Mon 22 Dec South West England

After a cloudy and damp start, cloud should break up through the day, giving a brighter afternoon for many with sunny spells and light winds. However, showers linger for Cornwall. Maximum Temperature 11C.

Tue 23 Dec South West England

With high pressure building it is likely to remain settled, but often cloudy. Gradually turning colder come Christmas Day as an easterly breeze develops, with perhaps the odd wintry flurry.

Wed 24 Dec South West England

With high pressure building it is likely to remain settled, but often cloudy. Gradually turning colder come Christmas Day as an easterly breeze develops, with perhaps the odd wintry flurry.

Thu 25 Dec South West England

With high pressure building it is likely to remain settled, but often cloudy. Gradually turning colder come Christmas Day as an easterly breeze develops, with perhaps the odd wintry flurry.

Fri 26 Dec South West England

Continued mostly settled conditions expected, as high pressure builds to the north of the UK. This will bring a strengthening easterly then northeasterly wind over the period, with wind-chill making it feel colder. Whilst there will be a fair amount of dry weather, a few showers will still be possible, particularly across eastern and southern parts which may be wintry in places, more especially over high ground. High pressure will likely dominate the weather in the run up to the New Year, slowly drifting to the west. This will maintain largely settled conditions, although with an increasing chance of showery conditions later in the period. Temperatures will be below average much of the time, with frost likely where clear skies and light winds prevail.

Sat 27 Dec South West England

Continued mostly settled conditions expected, as high pressure builds to the north of the UK. This will bring a strengthening easterly then northeasterly wind over the period, with wind-chill making it feel colder. Whilst there will be a fair amount of dry weather, a few showers will still be possible, particularly across eastern and southern parts which may be wintry in places, more especially over high ground. High pressure will likely dominate the weather in the run up to the New Year, slowly drifting to the west. This will maintain largely settled conditions, although with an increasing chance of showery conditions later in the period. Temperatures will be below average much of the time, with frost likely where clear skies and light winds prevail.

Porthleven Weather Forecast

Today 21 Dec South West England

Tonight 21 Dec South West England

Mon 22 Dec South West England

Tue 23 Dec South West England

Wed 24 Dec South West England

Thu 25 Dec South West England

Fri 26 Dec South West England

Sat 27 Dec South West England

Temperature Forecast Met Office

Temperature Real-Time

Predannack (Cornwall) Radar

National Satellite

National Synoptic

Porthleven Temperature Statistics

December Temperature

Culdrose (4km)

Lowest 2 January, 2025

Average 2025

Highest 11 July, 2025

Lowest 21 November, 2025

Average November

Highest 5 November, 2025

Lowest 16 December, 2025

Average December

Highest 9 December, 2025

Climate (2020–Present)

Culdrose (4km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025