Alwen Reservoir Weather Forecast

    • 13
    • 27

    Sunny day

    • 11
    • 22

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 9
    • 16

    Partly cloudy

    • 10
    • 16

    Cloudy

    • 11
    • 15

    Cloudy

Today 26 May Wales

Another mainly dry, often sunny and hot day is on the cards on Tuesday. However, some patchy cloud is possible, and an isolated thundery shower cannot be ruled out later. Maximum temperature 28 °C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Alwen Reservoir Temperature Statistics

May Temperature

Rhyl (21km)

  • Lowest 12 May, 2026

    2.9 °C

  • Average May

    11.3 °C

  • Highest 22 May, 2026

    21.3 °C

Climate (2021–Present)

Rhyl (21km)

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

  • Average Low 2021–2026

    8 °C

  • Average 2021–2026

    11.1 °C

  • Average High 2021–2026

    14.1 °C
Get WillyWeather+ to remove ads