Cape Northumberland Weather Forecast
- 2
- 15
Partly cloudy
- 4
- 16
Partly cloudy
- 6
- 16
Partly cloudy
- 7
- 15
Shower
- 7
- 15
Shower
- 10
- 15
Shower
- 10
- 16
Shower
Today 8 Jul Lower South East
Mostly sunny. Patches of frost and the chance of fog this morning. Light winds. Daytime maximum temperatures around 15.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northeasterly about 10 knots increasing to 10 to 15 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred near Tasmania extends a ridge over SA. A weak trough will remain over northern SA, slowly moving east later this week ahead of a cold front moving across the Bight.
Cape Northumberland Temperature Statistics View More
July Temperature
Mount Gambier Airport (36km)
Lowest 7 July, 2026
-1.1 °CAverage July
8.4 °CHighest 1 July, 2026
16.7 °C
Climate (2021–2026)
Mount Gambier Airport (36km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C