Ballysillan Weather Forecast

    • 8
    • 10

    Cloudy

    • 1
    • 10

    Heavy rain

    • 1
    • 6

    Sleet shower

    • 4
    • 7

    Cloudy

    • 2
    • 8

    Cloudy

    • 3
    • 8

    Cloudy

    • 6
    • 10

    Light rain

Today 23 Mar Northern Ireland

A chilly, but dry and bright start, before rain spreads from the northwest in the afternoon. Light winds at first but fresh to strong southwest winds by the afternoon. Maximum temperature 11 °C.

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Ballysillan Temperature Statistics

March Temperature

Aldergrove (16km)

  • Lowest 6 March, 2026

    -0.8 °C

  • Average March

    7.4 °C

  • Highest 20 March, 2026

    15.3 °C

Climate (2021–2026)

Aldergrove (16km)

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  • Average Low 2021–2026

    7.4 °C

  • Average 2021–2026

    10.4 °C

  • Average High 2021–2026

    13.4 °C
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