Cape Northumberland Weather Forecast

    • 11
    • 15

    Cloudy

    • 11
    • 15

    Shower

    • 8
    • 15

    Cloudy

    • 6
    • 18

    Partly cloudy

    • 9
    • 22

    Partly cloudy

    • 10
    • 22

    Sunny

    • 12
    • 25

    Partly cloudy

Today 12 Oct Lower South East

Cloudy. Slight chance of a shower, most likely in the morning. Winds west to southwesterly 20 to 30 km/h. Overnight temperatures falling to around 10 with daytime temperatures reaching around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots turning westerly in the morning. Winds reaching up to 30 knots south of Beachport in the evening.
Seas
Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

October Temperature

Mount Gambier Airport (36 km)

  • Lowest 7 October, 2026

    2.8 °C

  • Average October

    13.2 °C

  • Highest 8 October, 2026

    25 °C

Climate (2021–2026)

Mount Gambier Airport (36 km)

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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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