Llanystumdwy Weather Forecast

    • 14
    • 17

    Heavy rain

    • 11
    • 18

    Cloudy

    • 15
    • 22

    Partly cloudy

    • 15
    • 24

    Cloudy

    • 14
    • 22

    Mist

    • 14
    • 22

    Sunny day

    • 16
    • 25

    Sunny day

Today 19 Jun Wales

A rather grey but humid morning with some mist and murky near the coasts and over the hills. Eastern areas though will see some sunshine develop, especially during the afternoon. Whereas outbreaks of rain will spill into the west. Maximum temperature 25 °C.

Tonight 19 Jun Wales

A warm evening with some late sunshine in the east, however cloud and rain in the west will spread across the country overnight. Another humid night to come. Minimum temperature 14 °C.

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Llanystumdwy Temperature Statistics

June Temperature

Capel Curig Saws (29km)

  • Lowest 10 June, 2026

    7.7 °C

  • Average June

    12.7 °C

  • Highest 15 June, 2026

    19.8 °C

Climate (2021–2026)

Capel Curig Saws (29km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    10 °C

  • Average High 2021–2026

    12.8 °C
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