London Weather Forecast, Greater London SW1Y 5

Today 23 Mar London and South East England

Cloudy through the day, mostly dry through the morning, except in the far southeast where overnight rain persists. Showers then developing across the region from midday, these heavy and possibly thundery in places. Light winds. Warm. Maximum Temperature 17C.

Tonight 23 Mar London and South East England

Perhaps a few late bright or sunny spells this evening, before clouding over. Showers lingering into the evening, but gradually turning into patchy light rain, with extensive low cloud developing overnight. Mostly light winds. Minimum Temperature 6C.

Mon 24 Mar London and South East England

Low cloud slow to clear at first, gradually clearing away into the afternoon for most to give some prolonged sunshine into the evening. Light winds, breezier along coasts. Maximum Temperature 14C.

Tue 25 Mar London and South East England

Patchy rain and cloud moving in after a bright start to Tuesday. Wednesday looking fine, with sunny spells. Winds picking up overnight, but another decent day Thursday with bright spells.

Wed 26 Mar London and South East England

Patchy rain and cloud moving in after a bright start to Tuesday. Wednesday looking fine, with sunny spells. Winds picking up overnight, but another decent day Thursday with bright spells.

Thu 27 Mar London and South East England

Patchy rain and cloud moving in after a bright start to Tuesday. Wednesday looking fine, with sunny spells. Winds picking up overnight, but another decent day Thursday with bright spells.

Fri 28 Mar London and South East England

The end of March will be characterised by changeable weather patterns. This will see a mixture of showers or longer spells of rain, these mainly in the north and northwest, interspersed with some dry and bright periods, especially in the south. Temperatures will mostly be near normal for the time of year. Into early April a good deal of settled weather is likely across the UK as a whole, with many areas dry under clear or sunny spells with light winds. Some periods of unsettled weather could develop at times, bringing outbreaks of rain and strong winds. Temperatures will likely be close to normal overall, though cold are possible where clear skies coincide with light winds.

Sat 29 Mar London and South East England

The end of March will be characterised by changeable weather patterns. This will see a mixture of showers or longer spells of rain, these mainly in the north and northwest, interspersed with some dry and bright periods, especially in the south. Temperatures will mostly be near normal for the time of year. Into early April a good deal of settled weather is likely across the UK as a whole, with many areas dry under clear or sunny spells with light winds. Some periods of unsettled weather could develop at times, bringing outbreaks of rain and strong winds. Temperatures will likely be close to normal overall, though cold are possible where clear skies coincide with light winds.

London Weather Forecast

Today 23 Mar London and South East England

Tonight 23 Mar London and South East England

Mon 24 Mar London and South East England

Tue 25 Mar London and South East England

Wed 26 Mar London and South East England

Thu 27 Mar London and South East England

Fri 28 Mar London and South East England

Sat 29 Mar London and South East England

Temperature Forecast Met Office

Temperature Real-Time

Chenies (Hertfordshire) Radar

National Satellite

National Synoptic

London Temperature Statistics

March Temperature

Northolt (20km)

Lowest 11 January, 2025

Average 2025

Highest 20 March, 2025

Lowest 17 February, 2025

Average February

Highest 21 February, 2025

Lowest 2 March, 2025

Average March

Highest 20 March, 2025

Climate (2020–Present)

Northolt (20km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025