Porth y Wylfa Weather Forecast

    • 4
    • 10

    Light rain

    • 4
    • 8

    Cloudy

    • 5
    • 7

    Partly cloudy

    • 4
    • 7

    Cloudy

    • 5
    • 7

    Cloudy

    • 5
    • 8

    Cloudy

Today 27 Jan Wales

Heavy rain associated with Storm Chandra will clear northeastwards, leaving brighter weather, but with showers feeding in from the west. Very windy with gales in the west and southwest. Maximum temperature 10 °C.

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Porth y Wylfa Temperature Statistics

January Temperature

Valley (18km)

  • Lowest 10 January, 2026

    -0.2 °C

  • Average January

    6.1 °C

  • Highest 21 January, 2026

    11.7 °C

Climate (2021–Present)

Valley (18km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.4 °C

  • Average High 2021–2026

    13.8 °C
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