Portstewart Strand Weather Forecast

    • 9
    • 17

    Partly cloudy

    • 12
    • 15

    Cloudy

    • 9
    • 15

    Light rain shower

    • 12
    • 15

    Cloudy

    • 13
    • 16

    Cloudy

    • 12
    • 17

    Overcast

    • 9
    • 15

    Partly cloudy

Today 30 Sep Northern Ireland

It will be a dry morning with prolonged sunny spells. A little cloudier in the afternoon with bright or sunny intervals and showers possible. Brisk winds. Maximum temperature 18 °C.

Tonight 30 Sep Northern Ireland

Showers this evening will clear, with a dry night following and long clear periods. Winds gradually ease, but coastal areas will stay fairly breezy. Minimum temperature 6 °C.

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Portstewart Strand Temperature Statistics

September Temperature

Magilligan No 2 (13km)

  • Lowest 23 September, 2026

    7.7 °C

  • Average September

    14.3 °C

  • Highest 6 September, 2026

    22.4 °C

Climate (2021–2026)

Magilligan No 2 (13km)

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  • Average Low 2021–2026

    7.7 °C

  • Average 2021–2026

    10.6 °C

  • Average High 2021–2026

    13.4 °C
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