Porton Down Weather Forecast

    • 16
    • 28

    Partly cloudy

    • 18
    • 30

    Sunny day

    • 16
    • 29

    Sunny day

    • 15
    • 28

    Cloudy

    • 14
    • 27

    Sunny day

    • 13
    • 25

    Sunny day

    • 13
    • 26

    Sunny day

Today 13 Jul South West England

A largely dry, sunny and hot day today, although a small chance of a few showers developing along the south coast later. Widely breezy with strong winds continuing along the south coast. Maximum temperature 31 °C.

Tonight 13 Jul South West England

A risk of some further showers towards Devon and Cornwall this evening. Otherwise a warm but dry night with plenty of clear skies. Staying breezy near the south coast. Minimum temperature 15 °C.

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Porton Down Temperature Statistics

July Temperature

Boscombe Down (4km)

  • Lowest 3 July, 2026

    10.1 °C

  • Average July

    21.6 °C

  • Highest 10 July, 2026

    32.4 °C

Climate (2021–2026)

Boscombe Down (4km)

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  • Average Low 2021–2026

    7.4 °C

  • Average 2021–2026

    11.3 °C

  • Average High 2021–2026

    15.3 °C
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