Chertsey Weather Forecast, Surrey KT16 9

Today 19 Oct London and South East England

After a dry and cloudy start, outbreaks of rain, locally heavy, will gradually spread eastwards across all parts during the afternoon. A freshening southerly wind developing, especially along coasts. Temperatures near normal. Maximum Temperature 16C.

Tonight 19 Oct London and South East England

Outbreaks of rain, locally heavy, will continue to slowly move eastwards across all parts during the first part of the night. Rain clearing shortly after midnight. However, further showers following, turning heavier later. Strong coastal winds ease for a time. Minimum Temperature 10C.

Mon 20 Oct London and South East England

Frequent showers spreading east, occasionally heavy with the risk of hail and thunder. Becoming windy in places, more especially around coastal areas. The showers will slowly ease through the evening. Maximum Temperature 15C.

Tue 21 Oct London and South East England

Tuesday, bright intervals and occasional showers. Wednesday probably mostly dry, perhaps turning wet and windy later. Thursday, windy with showers or longer spells of rain. Cooler.

Wed 22 Oct London and South East England

Tuesday, bright intervals and occasional showers. Wednesday probably mostly dry, perhaps turning wet and windy later. Thursday, windy with showers or longer spells of rain. Cooler.

Thu 23 Oct London and South East England

Tuesday, bright intervals and occasional showers. Wednesday probably mostly dry, perhaps turning wet and windy later. Thursday, windy with showers or longer spells of rain. Cooler.

Fri 24 Oct London and South East England

Remaining unsettled to start the period as an area of low pressure clears into the North Sea. Outbreaks of rain, heavy at times, and strong winds will likely ease through Friday as the low continues to move eastwards. This will leave a colder northerly flow for a time at the weekend which will be showery around the coasts but with sunny spells inland. Into the following week, conditions are expected to be changeable with showers or longer spells of rain across many parts of the UK. The cold northerly will likely give way to a more changeable westerly pattern and the wettest weather will probably be in parts of the north and west. Temperatures are expected to be close to or slightly below normal for the time of year.

Sat 25 Oct London and South East England

Remaining unsettled to start the period as an area of low pressure clears into the North Sea. Outbreaks of rain, heavy at times, and strong winds will likely ease through Friday as the low continues to move eastwards. This will leave a colder northerly flow for a time at the weekend which will be showery around the coasts but with sunny spells inland. Into the following week, conditions are expected to be changeable with showers or longer spells of rain across many parts of the UK. The cold northerly will likely give way to a more changeable westerly pattern and the wettest weather will probably be in parts of the north and west. Temperatures are expected to be close to or slightly below normal for the time of year.

Chertsey Weather Forecast

Today 19 Oct London and South East England

Tonight 19 Oct London and South East England

Mon 20 Oct London and South East England

Tue 21 Oct London and South East England

Wed 22 Oct London and South East England

Thu 23 Oct London and South East England

Fri 24 Oct London and South East England

Sat 25 Oct London and South East England

Temperature Forecast Met Office

Temperature Real-Time

Chenies (Hertfordshire) Radar

National Satellite

National Synoptic

Chertsey Temperature Statistics

October Temperature

Heathrow (11km)

Lowest 11 January, 2025

Average 2025

Highest 12 August, 2025

Lowest 23 September, 2025

Average September

Highest 19 September, 2025

Lowest 12 October, 2025

Average October

Highest 6 October, 2025

Climate (2020–Present)

Heathrow (11km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025