Southsea Castle Weather Forecast

    • 14
    • 16

    Overcast

    • 14
    • 15

    Cloudy

    • 15
    • 16

    Cloudy

    • 13
    • 15

    Cloudy

    • 11
    • 14

    Light rain

    • 11
    • 14

    Partly cloudy

    • 12
    • 14

    Cloudy

Today 3 Nov London and South East England

Often cloudy today with a few outbreaks of rain possible, mostly in the morning, although many areas may remain largely dry. Some brighter interludes may develop in the afternoon. Mild, but this offset by a strong breeze, especially on coasts. Maximum Temperature 16C.

Tonight 3 Nov London and South East England

Mostly dry with some clear spells overnight. However, there will be some thicker cloud towards the west at times, with perhaps the odd spot of drizzle. Breezy, especially on coasts. Mild overnight. Minimum Temperature 11C.

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Southsea Castle Temperature Statistics

November Temperature

Thorney Island (12km)

  • Lowest 1 November, 2025

    9.9 °C

  • Average November

    11.7 °C

  • Highest 1 November, 2025

    15.3 °C

Climate (2020–Present)

Thorney Island (12km)

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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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