River Foyle - Londonderry Weather Forecast

    • 13
    • 17

    Light rain

    • 12
    • 19

    Light rain

    • 10
    • 15

    Light rain shower

    • 10
    • 16

    Heavy rain shower

    • 9
    • 14

    Heavy rain shower

    • 8
    • 14

    Light rain shower

    • 10
    • 15

    Light rain

Today 31 May Northern Ireland

It will be a largely dry and cloudy day but with bright or sunny spells breaking through, as well as the odd shower possible. Light winds. Maximum temperature 18 °C.

Tonight 31 May Northern Ireland

A dry start to the evening with bright spells but soon turning cloudier with rain spreading into southern areas. Cloudy overnight with outbreaks of rain, possibly heavy, for all parts. Minimum temperature 9 °C.

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River Foyle - Londonderry Temperature Statistics

May Temperature

Magilligan No 2 (29km)

  • Lowest 6 May, 2026

    1.6 °C

  • Average May

    11.7 °C

  • Highest 27 May, 2026

    23.6 °C

Climate (2021–Present)

Magilligan No 2 (29km)

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  • Average Low 2021–2026

    7.6 °C

  • Average 2021–2026

    10.6 °C

  • Average High 2021–2026

    13.4 °C
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