Newcastle Weather Forecast

    • 6
    • 8

    Sunny day

    • 10
    • 10

    Light rain

    • 8
    • 12

    Heavy rain

    • 3
    • 10

    Cloudy

    • 2
    • 7

    Sunny day

    • 7
    • 10

    Heavy rain

Today 12 Dec Northern Ireland

Chilly to start with a few overnight mist or fog patches soon clearing. Then dry with sunny spells for most, but chance of the odd shower in the northwest. Freshening southwest winds. Maximum Temperature 8C.

Tonight 12 Dec Northern Ireland

It will stay dry with clear spells for most through the evening and overnight. A few showers possible in the northwest through the evening, dying out overnight. Strengthening southwest winds. Minimum Temperature 2C.

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Newcastle Temperature Statistics

December Temperature

Glenanne (40km)

  • Lowest 3 December, 2025

    1.2 °C

  • Average December

    7 °C

  • Highest 9 December, 2025

    13.4 °C

Climate (2020–Present)

Glenanne (40km)

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  • Average Low 2020–2025

    6.8 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    12.7 °C
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