Porton Down Weather Forecast

    • 14
    • 31

    Partly cloudy

    • 16
    • 28

    Cloudy

    • 16
    • 30

    Sunny day

    • 18
    • 31

    Sunny day

    • 18
    • 32

    Sunny day

    • 18
    • 31

    Sunny day

    • 17
    • 31

    Sunny day

Today 6 Jul South West England

Patches of low cloud will linger this morning, but this will gradually break up towards the afternoon. Hot sunny spells will develop with light winds. Low cloud may persist around some coastlines of Devon and Cornwall. Maximum temperature 30 °C.

Tonight 6 Jul South West England

A dry, bright and warm evening. Patchy low cloud may spread back in overnight giving some areas of mist. Dry and warm overnight. 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

    18.4 °C

  • Highest 5 July, 2026

    27.1 °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

    15.2 °C
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