Cape Northumberland Weather Forecast

    • 14
    • 29

    Shower

    • 13
    • 20

    Shower

    • 13
    • 21

    Cloudy

    • 12
    • 27

    Partly cloudy

    • 15
    • 25

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 14
    • 24

    Partly cloudy

Today 5 Jan Lower South East

Partly cloudy. Slight chance of a shower, most likely at night. The chance of a thunderstorm in the afternoon and evening. Light winds becoming northwest to northeasterly 25 to 35 km/h in the morning then tending south to southwesterly in the early afternoon. Overnight temperatures falling to between 14 and 17 with daytime temperatures reaching 30 to 37.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the late afternoon. Winds reaching up to 25 knots north of Port MacDonnell in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Partly cloudy. The chance of a thunderstorm.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

January Temperature

Mount Gambier Airport (36km)

  • Lowest 3 January, 2025

    6.5 °C
  • Average January

    16.8 °C
  • Highest 3 January, 2025

    31.9 °C

Climate (2020–Present)

Mount Gambier Airport (36km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    8.7 °C
  • Average 2020–2025

    13.5 °C
  • Average High 2020–2025

    19.7 °C
Get WillyWeather+ to remove ads