Thorn Island Weather Forecast

    • 13
    • 16

    Cloudy

    • 11
    • 15

    Overcast

    • 11
    • 16

    Cloudy

    • 11
    • 21

    Sunny day

    • 13
    • 21

    Sunny day

    • 14
    • 21

    Sunny day

Today 21 May Wales

A grey and often wet start to the day across Wales, particularly further north. However, rain will gradually ease, with some drier and possibly brighter warm spells in the afternoon. Maximum temperature 22 °C.

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Thorn Island Temperature Statistics

May Temperature

Milford Haven C.b. (4km)

  • Lowest 6 May, 2026

    5.9 °C

  • Average May

    11.2 °C

  • Highest 1 May, 2026

    15.9 °C

Climate (2021–Present)

Milford Haven C.b. (4km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.3 °C
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