Porton Down Weather Forecast

    • 14
    • 28

    Partly cloudy

    • 15
    • 23

    Cloudy

    • 14
    • 19

    Partly cloudy

    • 15
    • 23

    Cloudy

    • 15
    • 23

    Cloudy

    • 15
    • 21

    Cloudy

Today 21 Jun South West England

Very warm and humid with hazy sunshine at times. Showers are possible, locally thundery, but many places not seeing much rain. Coastal mist and low cloud in some western areas. Maximum Temperature 28C.

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Porton Down Temperature Statistics

June Temperature

Boscombe Down (4km)

  • Lowest 8 June, 2025

    7.2 °C

  • Average June

    15.8 °C

  • Highest 19 June, 2025

    28.4 °C

Climate (2020–Present)

Boscombe Down (4km)

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  • Average Low 2020–2025

    7.1 °C

  • Average 2020–2025

    11 °C

  • Average High 2020–2025

    14.8 °C
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