Porton Down Weather Forecast

    • 18
    • 25

    Partly cloudy

    • 16
    • 26

    Cloudy

    • 17
    • 26

    Cloudy

    • 15
    • 23

    Light rain shower

    • 15
    • 22

    Light rain shower

    • 15
    • 23

    Light rain shower

Today 16 Jul South West England

Grey and rather gloomy for Cornwall and west Devon with rain and drizzle persisting through much of the day. Drier and brighter further east, with warm sunshine into the afternoon. Maximum Temperature 24C.

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Porton Down Temperature Statistics

July Temperature

Boscombe Down (4km)

  • Lowest 3 July, 2025

    8.8 °C

  • Average July

    19.6 °C

  • Highest 1 July, 2025

    30.9 °C

Climate (2020–Present)

Boscombe Down (4km)

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  • Average Low 2020–2025

    7.2 °C

  • Average 2020–2025

    11 °C

  • Average High 2020–2025

    14.9 °C
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