Castell Weather Forecast

    • 13
    • 18

    Light rain shower

    • 12
    • 17

    Thunder

    • 12
    • 17

    Partly cloudy

    • 13
    • 17

    Light rain

    • 11
    • 16

    Light rain shower

    • 11
    • 16

    Light rain shower

    • 11
    • 16

    Partly cloudy

Today 27 Aug Wales

Turning unsettled from the west with a band of heavy, thundery rain moving eastwards through the morning accompanied by gusty winds. Becoming drier and brighter into the afternoon with sunnier spells. Maximum Temperature 20C.

Tonight 27 Aug Wales

Largely dry this evening with late sunny spells and the odd shower. Showers developing more widely overnight mixed with clear intervals. Breezy by dawn. Minimum Temperature 12C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Castell Temperature Statistics

August Temperature

Capel Curig Saws (13km)

  • Lowest 10 August, 2025

    7.2 °C

  • Average August

    15.4 °C

  • Highest 12 August, 2025

    27.7 °C

Climate (2020–Present)

Capel Curig Saws (13km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    6.7 °C

  • Average 2020–2025

    9.8 °C

  • Average High 2020–2025

    12.6 °C
Get WillyWeather+ to remove ads