Cape Northumberland Weather Forecast

    • 7
    • 24

    Sunny

    • 14
    • 23

    Shower

    • 11
    • 18

    Shower

    • 11
    • 23

    Shower

    • 11
    • 16

    Shower

    • 7
    • 13

    Shower

    • 7
    • 14

    Shower

Today 8 Oct Lower South East

Sunny. Winds northeasterly 20 to 30 km/h tending north to northeasterly in the early morning. Daytime maximum temperatures in the mid 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots north of Beachport in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Sunny.
Weather Situation
A trough ahead of a strong cold front is expected move over western SA today, and track east across the rest of SA on Friday. A ridge remains over northern SA on Saturday while a series of troughs and cold fronts move across the state early next week.
Graph Plots Open in Graphs

  • 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

    11.7 °C

  • Highest 5 October, 2026

    18.5 °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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