Cape Northumberland Weather Forecast

    • 4
    • 15

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 7
    • 15

    Cloudy

    • 8
    • 16

    Shower

    • 9
    • 15

    Shower

    • 8
    • 14

    Shower

Today 17 Jul Lower South East

Mostly clear. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Beachport.
1st Swell
Southwesterly 3 metres.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system over VIC will continue to extend a ridge over SA. A weak trough develops in the west on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

July Temperature

Mount Gambier Airport (36km)

  • Lowest 7 July, 2026

    -1.1 °C

  • Average July

    9.6 °C

  • Highest 1 July, 2026

    16.7 °C

Climate (2021–2026)

Mount Gambier Airport (36km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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