Thorn Island Weather Forecast

    • 13
    • 17

    Cloudy

    • 12
    • 16

    Partly cloudy

    • 15
    • 18

    Cloudy

    • 11
    • 17

    Partly cloudy

    • 16
    • 18

    Overcast

    • 16
    • 18

    Cloudy

Today 8 Sep Wales

Overnight rain clearing east during the morning, with brighter skies following. A scattering of showers then moving in for the afternoon, some of which maybe heavy. Breezy and feeling cooler. Maximum temperature 19 °C.

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Thorn Island Temperature Statistics

September Temperature

Milford Haven C.b. (4km)

  • Lowest 5 September, 2026

    12.3 °C

  • Average September

    17.1 °C

  • Highest 6 September, 2026

    21.8 °C

Climate (2021–2026)

Milford Haven C.b. (4km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.4 °C
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