Cape Northumberland Weather Forecast

    • 11
    • 16

    Windy

    • 8
    • 15

    Cloudy

    • 3
    • 18

    Cloudy

    • 9
    • 15

    Shower

    • 6
    • 18

    Cloudy

    • 7
    • 23

    Partly cloudy

    • 13
    • 20

    Shower

Today 3 Oct Lower South East

Cloudy. Medium chance of showers, most likely in the early morning. Winds southerly 25 to 35 km/h tending south to southeasterly 15 to 20 km/h in the evening then becoming light in the late evening. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching around 17.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southeasterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the late evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

October Temperature

Mount Gambier Airport (36km)

  • Lowest 2 October, 2026

    11.4 °C

  • Average October

    13.6 °C

  • Highest 1 October, 2026

    17 °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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