Cape Northumberland Weather Forecast

    • 3
    • 15

    Partly cloudy

    • 2
    • 15

    Partly cloudy

    • 3
    • 14

    Partly cloudy

    • 3
    • 15

    Partly cloudy

    • 4
    • 15

    Partly cloudy

    • 7
    • 15

    Shower

    • 9
    • 14

    Shower

Today 6 Jul Lower South East

Sunny. The chance of morning fog in the south. Patches of morning frost. Light winds. Overnight temperatures falling to around 2 with daytime temperatures reaching around 15.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell early in the morning. Winds becoming easterly about 10 knots in the early afternoon then increasing to 10 to 15 knots in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 4 metres, decreasing to 2.5 metres by early evening.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

July Temperature

Mount Gambier Airport (36km)

  • Lowest 5 July, 2026

    2.4 °C

  • Average July

    9.4 °C

  • Highest 1 July, 2026

    16.7 °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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