5-day weather forecast London 04-09-2026

Weather forecast London Friday, September 4 04.09.2026: overcast, temperature from 17 °C to 23 °C.

Precipitation probability 39%. Wind up to 7 m/s (gusts 15.42 m/s). Air humidity 37–84%, atmospheric pressure 758–762 mm Hg, UV index up to 5.

Sunrise 06:18
Sunset 19:41
Last Quarter39% illuminated
Moonrise 22:13 · Moonset 15:20
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Table
Fri, Sep 4, 2026

Forecast from 17 °C to 23 °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)191919191920202020212022222323222221202019181717
Precipitation (mm/hr)0000000.010.010.010.260.130.060.1400000000000

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 (%)70958532100726010088100100100100100100100100100673300
Rain chance (%)158911101225181539301922111010101011128656

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)4.195.195.816.316.696.8976.816.816.896.816.696.816.56.396.196.116.11665.695.395.114.89
Wind gust (m/s)11.5313.6113.9214.3114.6415.2215.4214.8114.7214.311412.1111.4211.1110.8110.510.22109.819.619.699.89109.89
Wind direction (°)SW 218°SW 223°SW 224°SW 228°SW 227°SW 235°SW 236°SW 235°SW 233°WSW 244°W 259°W 268°W 269°W 266°W 265°W 264°W 263°W 262°W 261°W 261°W 262°W 263°W 265°W 266°

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 (%)757679848080828078767861554542403742475257626670

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)762761761760759759758758758758759759759759759759760760761761761761762762

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 Index000000000.41.10.53.33.53.35555540000
Fri, Sep 4, 2026

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.