Rhos-y-gwaliau Weather Forecast

    • 11
    • 18

    Cloudy

    • 11
    • 16

    Light rain

    • 9
    • 16

    Light rain shower

    • 13
    • 17

    Cloudy

    • 11
    • 19

    Cloudy

    • 12
    • 18

    Partly cloudy

    • 12
    • 20

    Partly cloudy

Today 15 Sep Wales

Cloudy start, with outbreaks of rain sinking south across Wales. Turning drier and brighter by mid-morning with sunny spells and showers, mostly in the west. Maximum temperature 18 °C.

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  • Temperature Real-Time

Rhos-y-gwaliau Temperature Statistics

September Temperature

Lake Vyrnwy Saws (17km)

  • Lowest 12 September, 2026

    8.3 °C

  • Average September

    13.9 °C

  • Highest 6 September, 2026

    21.7 °C

Climate (2021–2026)

Lake Vyrnwy Saws (17km)

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  • Average Low 2021–2026

    6.4 °C

  • Average 2021–2026

    9.1 °C

  • Average High 2021–2026

    12 °C
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