5-day weather forecast London 03-09-2026

Weather forecast London Thursday, September 3 03.09.2026: patchy rain possible, temperature from 18 °C to 26 °C.

Precipitation probability 37%. Wind up to 6.81 m/s (gusts 11.81 m/s). Air humidity 36–91%, atmospheric pressure 763–764 mm Hg, UV index up to 5.2.

Sunrise 06:16
Sunset 19:43
Last Quarter50% illuminated
Moonrise 21:33 · Moonset 14:02
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Table

Forecast from 18 °C to 26 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)181918181818181818192123242526262625252422212020
Precipitation (mm/hr)00000.020.070.050.030.060.030.0500.0400000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)1008164959210010010010010010084884710010011545697124235
Rain chance (%)2520182728373534352924101241010145103356

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)5.395.314.614.314.314.314.54.54.394.55.396.316.56.56.396.396.816.195.194.613.6933.113.89
Wind gust (m/s)10.8110.7211.1111.4211.6111.8111.1411.4211.51110.391010.1110.3110.2210.4210.7210.33109.118.588.119.42
Wind direction (°)WSW 237°WSW 239°SW 236°SW 231°WSW 238°SW 231°SW 230°SW 231°WSW 240°WSW 243°WSW 258°WSW 253°W 260°W 261°W 261°W 264°W 274°W 273°W 276°W 280°W 271°WSW 255°SW 230°SW 224°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)838084878690919190847255484440373638424651546070

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)764764764764764764764764764764764764764764764763763763763763763763763763

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.10.52.33.64.85.24.83.62.41.30.50.10000

London on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.