Southampton Water - Southampton Weather Forecast

    • 8
    • 10

    Sunny day

    • 9
    • 11

    Cloudy

    • 7
    • 10

    Cloudy

    • 5
    • 8

    Overcast

    • 3
    • 6

    Overcast

    • 2
    • 5

    Cloudy

Today 20 Dec London and South East England

Any overnight fog will slowly clear, leaving a dry day with some sunshine. Chance of increasing cloud and some rain affecting Kent in the afternoon. Maximum Temperature 9C.

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Southampton Water - Southampton Temperature Statistics

December Temperature

Middle Wallop (32km)

  • Lowest 5 December, 2025

    -2.3 °C

  • Average December

    8.4 °C

  • Highest 9 December, 2025

    14.4 °C

Climate (2020–Present)

Middle Wallop (32km)

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  • Average Low 2020–2025

    7.4 °C

  • Average 2020–2025

    11.3 °C

  • Average High 2020–2025

    15.1 °C
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