Cape Northumberland Weather Forecast

    • 10
    • 17

    Shower

    • 8
    • 17

    Partly cloudy

    • 9
    • 19

    Windy

    • 12
    • 18

    Shower

    • 7
    • 17

    Shower

    • 8
    • 17

    Shower

    • 12
    • 17

    Shower

Today 7 Jun Lower South East

Partly cloudy. The chance of morning fog in the north. Medium chance of showers in the south, slight chance elsewhere. Light winds becoming north to northwesterly 15 to 20 km/h in the morning then becoming light in the early afternoon. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching around 17.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell in the late morning and early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy. 70% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

June Temperature

Mount Gambier Airport (36km)

  • Lowest 5 June, 2026

    4.7 °C

  • Average June

    10.9 °C

  • Highest 2 June, 2026

    16.8 °C

Climate (2021–Present)

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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