Blackheath Weather Forecast, Greater London SE3 0

Today 19 Nov London and South East England

Spells of rain through the morning, with some sleet possible over higher ground, clearing into the afternoon to leave a cold, windy day with occasional showers in the far east. Brighter elsewhere but feeling cold with strong northerly winds. Maximum Temperature 5C.

Tonight 19 Nov London and South East England

Likely dry and increasingly clear for most overnight. Very cold with temperatures falling below freezing and a moderate breeze persisting. Minimum Temperature -3C.

Thu 20 Nov London and South East England

Staying very cold and breezy Thursday with the threat of a wintry shower in the east and a generally cloudier day for many. Maximum Temperature 4C.

Fri 21 Nov London and South East England

Very cold overnight into Friday but becoming drier. Rain into Saturday bringing more unsettled but generally milder conditions by Sunday.

Sat 22 Nov London and South East England

Very cold overnight into Friday but becoming drier. Rain into Saturday bringing more unsettled but generally milder conditions by Sunday.

Sun 23 Nov London and South East England

Very cold overnight into Friday but becoming drier. Rain into Saturday bringing more unsettled but generally milder conditions by Sunday.

Mon 24 Nov London and South East England

Atlantic weather fronts will continue to spread east bringing spells of rain or showers, potentially quite widely. Over subsequent days showery conditions will likely continue but there will be some brighter spells at times. There is also a chance of Atlantic frontal systems moving in from the west at times and temporary periods of northerly flow that may lead to some wintry showers. Temperatures will be a little below normal. A westerly dominated pattern will likely persist through to the end of November with outbreaks of rain or showers and temperatures near to or a little below normal. There could however still be some wintry showers at times in the north. Areas of low pressure may bring longer spells of rain and periods of strong winds at times.

Tue 25 Nov London and South East England

Atlantic weather fronts will continue to spread east bringing spells of rain or showers, potentially quite widely. Over subsequent days showery conditions will likely continue but there will be some brighter spells at times. There is also a chance of Atlantic frontal systems moving in from the west at times and temporary periods of northerly flow that may lead to some wintry showers. Temperatures will be a little below normal. A westerly dominated pattern will likely persist through to the end of November with outbreaks of rain or showers and temperatures near to or a little below normal. There could however still be some wintry showers at times in the north. Areas of low pressure may bring longer spells of rain and periods of strong winds at times.

Blackheath Weather Forecast

Today 19 Nov London and South East England

Tonight 19 Nov London and South East England

Thu 20 Nov London and South East England

Fri 21 Nov London and South East England

Sat 22 Nov London and South East England

Sun 23 Nov London and South East England

Mon 24 Nov London and South East England

Tue 25 Nov London and South East England

Temperature Forecast Met Office

Temperature Real-Time

Chenies (Hertfordshire) Radar

National Satellite

National Synoptic

Blackheath Temperature Statistics

November Temperature

Northolt (30km)

Lowest 11 January, 2025

Average 2025

Highest 12 August, 2025

Lowest 26 October, 2025

Average October

Highest 6 October, 2025

Lowest 18 November, 2025

Average November

Highest 13 November, 2025

Climate (2020–Present)

Northolt (30km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025