Portslade-by-Sea Weather Forecast

    • 10
    • 18

    Partly cloudy

    • 8
    • 18

    Sunny day

    • 11
    • 18

    Partly cloudy

    • 15
    • 18

    Cloudy

    • 15
    • 17

    Light rain

    • 11
    • 17

    Partly cloudy

    • 11
    • 16

    Sunny day

Today 29 Sep London and South East England

Any early mist and fog gradually dispersing to leave a fine, dry morning with long sunny spells. A little cloud bubbling up in the afternoon and the sunshine perhaps turning hazy, but remaining dry with light winds. Maximum Temperature 19C.

Tonight 29 Sep London and South East England

A dry and cool night, with partly cloudy skies and some clear intervals, these more prevalent toward dawn. Winds remaining light. Minimum Temperature 5C.

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Portslade-by-Sea Temperature Statistics

September Temperature

Shoreham (5km)

  • Lowest 23 September, 2025

    4.4 °C

  • Average September

    15.1 °C

  • Highest 7 September, 2025

    22.4 °C

Climate (2020–Present)

Shoreham (5km)

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  • Average Low 2020–2025

    7.9 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.9 °C
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