Porton Down Weather Forecast

    • 15
    • 24

    Cloudy

    • 13
    • 22

    Cloudy

    • 12
    • 21

    Light rain shower

    • 11
    • 20

    Light rain shower

    • 10
    • 20

    Partly cloudy

    • 11
    • 21

    Partly cloudy

Today 18 Aug South West England

A cloudy and wet start to the day as rain slowly clears southwards during the morning. Drier and brighter for the afternoon, with hazy spells of sunshine for many. Maximum temperature 24 °C.

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Porton Down Temperature Statistics

August Temperature

Boscombe Down (4km)

  • Lowest 7 August, 2026

    8.6 °C

  • Average August

    20.4 °C

  • Highest 13 August, 2026

    34.8 °C

Climate (2021–2026)

Boscombe Down (4km)

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  • Average Low 2021–2026

    7.4 °C

  • Average 2021–2026

    11.4 °C

  • Average High 2021–2026

    15.3 °C
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