Portsmouth Harbour - M275 Motorway Bridge Weather Forecast

    • 11
    • 19

    Sunny day

    • 12
    • 17

    Light rain

    • 10
    • 15

    Cloudy

    • 9
    • 16

    Cloudy

    • 8
    • 15

    Cloudy

    • 6
    • 13

    Cloudy

    • 8
    • 13

    Cloudy

Today 1 May London and South East England

Another fine start and soon feeling very warm in the sunshine. Some patchy cloud likely developing from the west during the afternoon, with perhaps some rain or showers further inland. Risk of some low cloud towards the coast later. Maximum temperature 25 °C.

Tonight 1 May London and South East England

Variable cloud overnight and mild, with perhaps a few showers in the far southeast and a low risk of thunder. A few patches of mist or fog possible by dawn. Minimum temperature 6 °C.

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Portsmouth Harbour - M275 Motorway Bridge Temperature Statistics

May Temperature

Thorney Island (11km)

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  • Average May

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Climate (2021–Present)

Thorney Island (11km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    12.1 °C

  • Average High 2021–2026

    15.3 °C
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