Cape Northumberland Weather Forecast
- 15
- 21
Shower
- 11
- 17
Partly cloudy
- 7
- 18
Shower
- 12
- 19
Storm
- 10
- 15
Shower
- 8
- 16
Cloudy
- 7
- 18
Shower
Today 19 Oct Lower South East
Cloudy. Medium chance of showers. Light winds.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- West to southwesterly about 10 knots.
- Seas
- Below 0.5 metres, increasing to below 1 metre south of Beachport.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Cloudy. 50% chance of showers north of Port MacDonnell, near zero chance elsewhere.
- Weather Situation
- A trough spanning from the west and into the Gulfs will move inland through Sunday evening. Following this a low pressure system will move into the Bight by Tuesday bring a strong cold front with its passing. As the low moves off the Lower South East Coast Wednesday morning, the associated front will exit eastern waters and continue through Bass Strait. In the wake of this front a high pressure system will move into the Bight, passing over central coasts late Thursday.
Cape Northumberland Temperature Statistics View More
October Temperature
Mount Gambier Airport (36km)
Lowest 13 October, 2025
4.3 °CAverage October
12.7 °CHighest 16 October, 2025
24.7 °C
Climate (2020–Present)
Mount Gambier Airport (36km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.7 °CAverage High 2020–2025
20 °C