Cape Northumberland Weather Forecast

    • 13
    • 21

    Cloudy

    • 14
    • 22

    Partly cloudy

    • 11
    • 25

    Sunny

    • 14
    • 23

    Cloudy

    • 15
    • 20

    Shower

    • 14
    • 20

    Cloudy

    • 12
    • 22

    Partly cloudy

Today 26 Mar Lower South East

Mostly sunny. Winds southeasterly 15 to 20 km/h becoming light early in the morning then becoming southeasterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching 23 to 28.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots north of Beachport during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A slow-moving ridge of high pressure lies over waters to the south. The high pressure centre moves east of Tasmania on Thursday as another ridge extends towards coastal waters from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

March Temperature

Mount Gambier Airport (36km)

  • Lowest 22 March, 2025

    5.2 °C

  • Average March

    18.5 °C

  • Highest 15 March, 2025

    39.2 °C

Climate (2020–Present)

Mount Gambier Airport (36km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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