Ballysillan Weather Forecast

    • 13
    • 15

    Light rain

    • 12
    • 18

    Overcast

    • 10
    • 15

    Light rain shower

    • 9
    • 16

    Cloudy

    • 12
    • 18

    Overcast

    • 13
    • 19

    Light rain

Today 4 Jul Northern Ireland

After a mainly dry start it will be a cloudy day with outbreaks of rain spreading east, these mainly across the north and west. Brisk southwesterly winds. Maximum Temperature 17C.

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Ballysillan Temperature Statistics

July Temperature

Aldergrove (16km)

  • Lowest 2 July, 2025

    7.7 °C

  • Average July

    12.4 °C

  • Highest 1 July, 2025

    16.9 °C

Climate (2020–Present)

Aldergrove (16km)

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  • Average Low 2020–2025

    7.3 °C

  • Average 2020–2025

    10.2 °C

  • Average High 2020–2025

    13.3 °C
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