Cape Northumberland Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 8
    • 17

    Cloudy

    • 8
    • 18

    Shower

    • 11
    • 21

    Partly cloudy

    • 13
    • 26

    Partly cloudy

    • 13
    • 22

    Shower

    • 11
    • 18

    Shower

Today 20 Nov Lower South East

Clear. Winds southeasterly 15 to 20 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 4 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system positioned well south of the Bight is expected to pass over Tasmania on Friday. A low pressure trough near the WA border is forecast to move over SA during the weekend, reaching eastern districts late Saturday. A secondary low pressure trough is expected to move over from the west early next week, clearing to the east of the state late Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

November Temperature

Mount Gambier Airport (36km)

  • Lowest 13 November, 2025

    3.3 °C

  • Average November

    12.3 °C

  • Highest 2 November, 2025

    24.5 °C

Climate (2020–Present)

Mount Gambier Airport (36km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    20 °C
Get WillyWeather+ to remove ads