West Dean Weather Forecast

    • 12
    • 15

    Cloudy

    • 10
    • 17

    Cloudy

    • 11
    • 19

    Partly cloudy

    • 14
    • 23

    Sunny day

    • 14
    • 25

    Sunny day

    • 14
    • 26

    Sunny day

    • 13
    • 26

    Sunny day

Today 19 May London and South East England

Cloudy and breezy, with rain clearing to the east during the morning. Followed by frequent heavy showers in the afternoon before easing into the evening. Maximum temperature 19 °C.

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West Dean Temperature Statistics

May Temperature

Thorney Island (14km)

  • Lowest 12 May, 2026

    2 °C

  • Average May

    11.6 °C

  • Highest 9 May, 2026

    21.2 °C

Climate (2021–Present)

Thorney Island (14km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.1 °C

  • Average High 2021–2026

    15.3 °C
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