Newcastle Weather Forecast

    • 12
    • 18

    Light rain

    • 10
    • 17

    Cloudy

    • 13
    • 17

    Cloudy

    • 12
    • 18

    Light rain shower

    • 11
    • 17

    Cloudy

    • 14
    • 18

    Light rain

    • 14
    • 19

    Cloudy

Today 7 Sep Northern Ireland

A dry bright start then cloud and showers soon reaching western counties spreading across to Belfast and the east by the afternoon, some heavy with thunder possible. Brightening up again in the afternoon with sunny intervals and more scattered showers. Maximum temperature 18 °C.

Tonight 7 Sep Northern Ireland

There will be a mixture of clear spells and a few showers. Overnight some more frequent showers reaching the north coast. A windy night. Minimum temperature 11 °C.

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Newcastle Temperature Statistics

September Temperature

Glenanne (40km)

  • Lowest 5 September, 2026

    10.4 °C

  • Average September

    14.7 °C

  • Highest 2 September, 2026

    20.4 °C

Climate (2021–2026)

Glenanne (40km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    12.8 °C
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