Porton Down Weather Forecast

    • 2
    • 7

    Overcast

    • 3
    • 6

    Partly cloudy

    • 0
    • 6

    Cloudy

    • 0
    • 5

    Sunny day

    • 2
    • 6

    Overcast

    • 0
    • 6

    Sunny day

    • -1
    • 4

    Sunny day

Today 28 Dec South West England

Generally dry and cloudy with fleeting brighter moments. Spots of drizzle possible in Devon and Cornwall. Not as windy as on Saturday but the easterly breeze persisting and feeling chilly Maximum Temperature 7C.

Tonight 28 Dec South West England

Staying cloudy this evening and through the night with occasional breaks in the cloud. Cloud maybe thick enough for a few spots of drizzle over the Moors. Chilly with light winds. Minimum Temperature 0C.

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Porton Down Temperature Statistics

December Temperature

Boscombe Down (4km)

  • Lowest 5 December, 2025

    -0.6 °C

  • Average December

    7.4 °C

  • Highest 7 December, 2025

    13.8 °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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