London weather live forecast

Today's maximum temperature in London is expected to be 21°C. Select a day from the live weather forecast for London, England, UK for more weather parameters.

Thursday
18th Sep
21

16

4

3
Friday
19th Sep
26

15

8

4
Saturday
20th Sep
22

15

3

4
Sunday
21st Sep
16

10

5

3
Monday
22nd Sep
15

9

6

4

5-day weather forecast updated at 04:00 on Wednesday 17th September 2025 GMT

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The 5-day weather forecast for England (London) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

London weather forecast by day

Below are the detailed weather forecasts for London for the next 5 days.

London weather for Thursday 18th September 2025

Expect broken clouds in London, England with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

21
°C maximum temperature
16
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
20
kph wind from SW

London weather for Friday 19th September 2025

Expect scattered clouds in London, England with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

26
°C maximum temperature
15
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
13
kph wind from SW

London weather for Saturday 20th September 2025

Expect mostly cloudy with light rain in London, England with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 18 kph from the south-west.

22
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
46
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

London weather for Sunday 21st September 2025

Expect broken clouds in London, England with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

16
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
19
kph wind from N

London weather for Monday 22nd September 2025

Expect broken clouds in London, England with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.