Caernarfon Airport Weather Forecast

    • 8
    • 11

    Light rain

    • 9
    • 10

    Cloudy

    • 9
    • 12

    Cloudy

    • 5
    • 11

    Light rain

    • 6
    • 10

    Cloudy

    • 6
    • 9

    Cloudy

    • 6
    • 9

    Cloudy

Today 29 Mar Wales

Showery rain developing after a dry start, with persistent and heavy rain early afternoon, probably becoming more showery by the evening. Becoming windy with coastal gales possible for a time. Maximum temperature 11 °C.

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Caernarfon Airport Temperature Statistics

March Temperature

Valley (21km)

  • Lowest 7 March, 2026

    0 °C

  • Average March

    8.3 °C

  • Highest 18 March, 2026

    16.2 °C

Climate (2021–Present)

Valley (21km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    13.8 °C
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