Portlandoo Harbour Weather Forecast

    • 6
    • 16

    Cloudy

    • 5
    • 15

    Sunny day

    • 3
    • 14

    Sunny day

    • 6
    • 15

    Sunny day

    • 4
    • 14

    Sunny day

    • 4
    • 12

    Sunny day

    • 2
    • 12

    Sunny day

Today 31 Mar Northern Ireland

A dull, cloudy start but some brighter spells may develop late in the morning. Cloudier again in the afternoon with the odd light shower breaking out. Mild. Maximum Temperature 16C.

Tonight 31 Mar Northern Ireland

It will stay dry through the evening and overnight. There will be variable amounts of cloud and increasingly clear spells developing through the night. Minimum Temperature 5C.

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Portlandoo Harbour Temperature Statistics

March Temperature

Magilligan No 2 (19km)

  • Lowest 19 March, 2025

    -2.7 °C

  • Average March

    8.1 °C

  • Highest 21 March, 2025

    15.8 °C

Climate (2020–Present)

Magilligan No 2 (19km)

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  • Average Low 2020–2025

    7.4 °C

  • Average 2020–2025

    10.3 °C

  • Average High 2020–2025

    13.1 °C
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