River Hamble - Mercury Yacht Harbour Weather Forecast

    • 1
    • 7

    Partly cloudy

    • 0
    • 4

    Cloudy

    • 2
    • 7

    Cloudy

    • -1
    • 5

    Sunny day

    • -3
    • 3

    Sunny day

    • -3
    • 4

    Sunny day

    • -1
    • 4

    Sunny day

Today 30 Dec London and South East England

A few showers possible along the coast at first, quickly clearing to leave a mostly dry day with variable cloud, light winds and some good spells of sunshine. Maximum Temperature 7C.

Tonight 30 Dec London and South East England

Dry through the period with variable cloud. Cloud breaks expected in places overnight, most likely in the southwest, allowing temperatures to drop and frost to develop in many areas, with mist and fog also possible. Minimum Temperature -4C.

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River Hamble - Mercury Yacht Harbour Temperature Statistics

December Temperature

Thorney Island (27km)

  • Lowest 5 December, 2025

    -1.1 °C

  • Average December

    8.6 °C

  • Highest 7 December, 2025

    13.9 °C

Climate (2020–Present)

Thorney Island (27km)

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  • Average Low 2020–2025

    8.6 °C

  • Average 2020–2025

    11.9 °C

  • Average High 2020–2025

    15.1 °C
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