River Test - Marchwood Military Port Weather Forecast

    • 12
    • 19

    Sunny day

    • 13
    • 18

    Cloudy

    • 15
    • 18

    Cloudy

    • 14
    • 17

    Light rain

    • 12
    • 16

    Partly cloudy

    • 13
    • 16

    Partly cloudy

    • 13
    • 17

    Cloudy

Today 30 Sep London and South East England

Any early mist or fog patches soon clearing to give a dry, bright and mild day with plenty of long sunny spells. Light winds expected throughout. Maximum Temperature 20C.

Tonight 30 Sep London and South East England

A dry night is expected, with patchy cloud and clear spells. Some isolated mist and fog patches may develop through early Wednesday morning. Winds remaining light. Minimum Temperature 7C.

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River Test - Marchwood Military Port Temperature Statistics

September Temperature

Middle Wallop (30km)

  • Lowest 23 September, 2025

    4 °C

  • Average September

    13.8 °C

  • Highest 19 September, 2025

    24.3 °C

Climate (2020–Present)

Middle Wallop (30km)

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  • Average Low 2020–2025

    7.4 °C

  • Average 2020–2025

    11.3 °C

  • Average High 2020–2025

    15 °C
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