River Foyle - Cuttymanhill Weather Forecast

    • 15
    • 22

    Partly cloudy

    • 11
    • 16

    Light rain

    • 7
    • 14

    Cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 15

    Cloudy

    • 10
    • 16

    Light rain shower

    • 9
    • 15

    Light rain shower

Today 21 Sep Northern Ireland

The morning will begin cloudy with patchy light rain, this mostly in the west. The rain will clear during the afternoon when bright or sunny spells increase. Maximum temperature 21 °C.

Tonight 21 Sep Northern Ireland

The evening will be mostly dry with clear spells. Cloud will spread east from after midnight with rain following in the west later. Minimum temperature 12 °C.

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River Foyle - Cuttymanhill Temperature Statistics

September Temperature

Castlederg (23km)

  • Lowest 20 September, 2026

    5.9 °C

  • Average September

    13.9 °C

  • Highest 2 September, 2026

    22 °C

Climate (2021–2026)

Castlederg (23km)

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  • Average Low 2021–2026

    6.2 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    13.6 °C
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