Cape Northumberland Weather Forecast

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    • 16

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 7
    • 16

    Cloudy

    • 4
    • 18

    Partly cloudy

    • 9
    • 18

    Shower

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    Shower

Today 27 Aug Lower South East

Clear. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Westerly 2.5 to 3 metres.
Weather
Mostly clear.
Weather Situation
A high pressure ridge lies over central and eastern SA, while a low pressure trough moves over the far west late Thursday and Friday. A high pressure system will move over waters to the south over the weekend to be centred over southern Victoria by late Sunday, extending a ridge across SA until Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

August Temperature

Mount Gambier Airport (36km)

  • Lowest 1 August, 2026

    0.3 °C

  • Average August

    10.4 °C

  • Highest 17 August, 2026

    19 °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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