Heathrow Airport Weather Forecast

    • 12
    • 23

    Light rain

    • 14
    • 24

    Sunny day

    • 16
    • 27

    Sunny day

    • 14
    • 24

    Cloudy

    • 11
    • 21

    Partly cloudy

    • 11
    • 20

    Partly cloudy

Today 4 Sep London and South East England

Friday morning will be cloudy with patchy drizzle giving way to some more persistent light rain at times from the northwest. Brightening up later in the day, though feeling fresher. Maximum temperature 25 °C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Heathrow Airport Temperature Statistics

September Temperature

Heathrow (0km)

  • Lowest 1 September, 2026

    12.7 °C

  • Average September

    17.4 °C

  • Highest 1 September, 2026

    23.8 °C

Climate (2021–2026)

Heathrow (0km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.7 °C

  • Average High 2021–2026

    16.6 °C
Get WillyWeather+ to remove ads