Heathrow Airport Weather Forecast

    • 7
    • 16

    Cloudy

    • 10
    • 14

    Light rain shower

    • 11
    • 18

    Light rain shower

    • 11
    • 20

    Light rain shower

    • 13
    • 23

    Cloudy

    • 14
    • 26

    Sunny day

Today 17 May London and South East England

Starting with showers or longer spells of rain, possibly heavy at times, most likely across eastern areas. Drier and brighter conditions then spread follow, along with scattered showers. Maximum temperature 16 °C.

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Heathrow Airport Temperature Statistics

May Temperature

Heathrow (0km)

  • Lowest 12 May, 2026

    3 °C

  • Average May

    11.9 °C

  • Highest 1 May, 2026

    25.3 °C

Climate (2021–Present)

Heathrow (0km)

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  • Average Low 2021–2026

    8.7 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.3 °C
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