Heathrow Airport Weather Forecast

    • 23
    • 36

    Sunny day

    • 22
    • 37

    Sunny day

    • 23
    • 37

    Sunny day

    • 20
    • 33

    Sunny day

    • 18
    • 30

    Sunny day

    • 15
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    Sunny day

Today 23 Jun London and South East England

Fine with further sunshine, temperatures continuing to increase to become hot. A warm and humid night to follow. Maximum temperature 35 °C.

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Heathrow Airport Temperature Statistics

June Temperature

Heathrow (0km)

  • Lowest 11 June, 2026

    9.1 °C

  • Average June

    17.4 °C

  • Highest 21 June, 2026

    31.5 °C

Climate (2021–2026)

Heathrow (0km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.3 °C
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