Jetty Rock Weather Forecast
- 9
- 14
Cloudy
- 11
- 15
Shower
- 10
- 16
Shower
- 6
- 15
Cloudy
- 5
- 16
Partly cloudy
- 6
- 19
Partly cloudy
- 9
- 19
Shower
Today 12 Aug Lower South East
Partly cloudy. Winds westerly 15 to 25 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- West to southwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell.
- Seas
- 1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
- 1st Swell
- Southwesterly 5 metres.
- Weather
- Cloudy.
- Weather Situation
- A ridge of high pressure will extend into South Australia from the west this evening, with the associated high to move over the state on Thursday. The high will then gradually drift to the southeast to be located in vicinity of Tasmania over the weekend, with a ridge expected to remain over South Australia.
Jetty Rock Temperature Statistics View More
August Temperature
Mount Gambier Airport (35km)
Lowest 1 August, 2026
0.3 °CAverage August
9.7 °CHighest 2 August, 2026
15.7 °C
Climate (2021–2026)
Mount Gambier Airport (35km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C