Cape Northumberland Weather Forecast

    • 11
    • 23

    Partly cloudy

    • 11
    • 24

    Fog

    • 13
    • 26

    Shower

    • 13
    • 23

    Shower

    • 13
    • 16

    Shower

    • 10
    • 16

    Shower

    • 10
    • 18

    Cloudy

Today 22 Mar Lower South East

The chance of morning fog. The chance of smoke haze in the south in the morning. Mostly sunny afternoon. Light winds becoming west to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching 23 to 28.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 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

March Temperature

Mount Gambier Airport (36km)

  • Lowest 10 March, 2026

    7.2 °C

  • Average March

    16.1 °C

  • Highest 10 March, 2026

    30.4 °C

Climate (2021–Present)

Mount Gambier Airport (36km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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