Porton Down Weather Forecast

    • 20
    • 31

    Thunder shower

    • 19
    • 32

    Sunny day

    • 21
    • 36

    Sunny day

    • 19
    • 35

    Sunny day

    • 16
    • 26

    Sunny day

    • 14
    • 23

    Sunny day

    • 14
    • 22

    Sunny day

Today 22 Jun South West England

Largely dry today with strong sunshine, turning hazy at times. Feeling hot and increasingly humid with light winds. A small chance of a few showers late in the afternoon. Maximum temperature 33 °C.

Tonight 22 Jun South West England

Cloudy at first with a few evening showers and a chance of a few thunderstorms. Rain then clearing to leave a dry, warm and humid night. Minimum temperature 19 °C.

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Porton Down Temperature Statistics

June Temperature

Boscombe Down (4km)

  • Lowest 10 June, 2026

    6.1 °C

  • Average June

    15.1 °C

  • Highest 19 June, 2026

    23.9 °C

Climate (2021–2026)

Boscombe Down (4km)

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  • Average Low 2021–2026

    7.4 °C

  • Average 2021–2026

    11.2 °C

  • Average High 2021–2026

    15.1 °C
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