Cape Northumberland Weather Forecast

    • 9
    • 15

    Shower

    • 5
    • 14

    Partly cloudy

    • 4
    • 15

    Partly cloudy

    • 5
    • 17

    Partly cloudy

    • 8
    • 16

    Shower

    • 10
    • 17

    Shower

    • 10
    • 15

    Shower

Today 25 Jun Lower South East

Partly cloudy. The chance of fog in the morning, mainly in the north. Slight chance of a shower. Light winds. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 15.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

June Temperature

Mount Gambier Airport (36km)

  • Lowest 22 June, 2026

    0.4 °C

  • Average June

    11.5 °C

  • Highest 12 June, 2026

    20.1 °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 °C
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