River Foyle - Londonderry Weather Forecast

    • 12
    • 16

    Cloudy

    • 13
    • 19

    Light rain

    • 11
    • 18

    Cloudy

    • 12
    • 18

    Cloudy

    • 10
    • 18

    Cloudy

    • 9
    • 18

    Partly cloudy

    • 10
    • 19

    Sunny day

Today 20 May Northern Ireland

Bright spells and the chance of a few showers this morning, these mainly at first. This afternoon will be dry with some bright or sunny intervals. Maximum temperature 17 °C.

Tonight 20 May Northern Ireland

This evening will be dry. Then thickening cloud will bring rain across all parts for a time overnight. Rain turning light and patchy later on. Minimum temperature 10 °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

    9.8 °C

  • Highest 1 May, 2026

    17.5 °C

Climate (2021–Present)

Magilligan No 2 (29km)

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  • Average Low 2021–2026

    7.6 °C

  • Average 2021–2026

    10.5 °C

  • Average High 2021–2026

    13.3 °C
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