Thorn Island Weather Forecast

    • 11
    • 17

    Cloudy

    • 15
    • 18

    Cloudy

    • 12
    • 17

    Cloudy

    • 14
    • 17

    Sunny day

    • 13
    • 17

    Light rain shower

    • 14
    • 17

    Cloudy

    • 15
    • 19

    Light rain shower

Today 23 Sep Wales

Overcast with outbreaks of rain, this locally heavy and persistent across the hills and mountains of north Wales. Becoming drier and brighter from the west during the afternoon. Maximum temperature 20 °C.

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Thorn Island Temperature Statistics

September Temperature

Milford Haven C.b. (4km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.4 °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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