Heathrow Airport Weather Forecast

    • 15
    • 29

    Sunny day

    • 19
    • 32

    Sunny day

    • 19
    • 35

    Sunny day

    • 14
    • 33

    Sunny day

    • 13
    • 26

    Sunny day

    • 15
    • 28

    Sunny day

Today 23 May London and South East England

Any cloud and rain should clear during the morning to give a bright, sunny and hot day. Staying a little cooler along the coast. Maximum temperature 31 °C.

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Heathrow Airport Temperature Statistics

May Temperature

Heathrow (0km)

  • Lowest 12 May, 2026

    3 °C

  • Average May

    12.8 °C

  • Highest 1 May, 2026

    25.3 °C

Climate (2021–Present)

Heathrow (0km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.3 °C
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