Sydenham Weather Forecast

    • 2
    • 10

    Heavy rain

    • 3
    • 9

    Sunny day

    • 6
    • 11

    Sunny day

    • 7
    • 11

    Cloudy

    • 7
    • 11

    Cloudy

    • 8
    • 11

    Cloudy

    • 7
    • 11

    Cloudy

Today 5 Mar Northern Ireland

A cloudy day with rain spreading eastwards across all parts in the morning. Drier and brighter weather following on behind during the afternoon, reaching all but the far east by evening. Maximum temperature 9 °C.

Tonight 5 Mar Northern Ireland

Cloud and rain soon clearing the far east. Otherwise dry and clear trough the evening and overnight allowing a quite widespread frost to develop. Minimum temperature -2 °C.

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Sydenham Temperature Statistics

March Temperature

Aldergrove (23km)

  • Lowest 3 March, 2026

    -0.4 °C

  • Average March

    6.1 °C

  • Highest 1 March, 2026

    12.1 °C

Climate (2021–Present)

Aldergrove (23km)

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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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