Jones Bay Weather Forecast
- 8
- 18
Shower
- 11
- 15
Rain
- 10
- 15
Shower
- 9
- 15
Cloudy
- 5
- 15
Cloudy
- 8
- 14
Partly cloudy
- 5
- 16
Partly cloudy
Today 4 Sep Lower South East
Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the north in the evening. Winds northerly 20 to 30 km/h. Daytime maximum temperatures around 18.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northerly 15 to 20 knots.
- Seas
- 1.5 to 2 metres, decreasing below 1.5 metres by early evening.
- 1st Swell
- Southwesterly 4 to 5 metres.
- Weather
- Cloudy. 80% chance of showers.
- Weather Situation
- A trough lies near the western border ahead of a cold front moving across the Bight, while a weak ridge of high pressure lies across central Australia. The front and trough will move across SA overnight and into southeastern Australia on Saturday, with a ridge of high pressure developing across SA in its wake. A trough is expected to develop near the western border on Sunday and remain near stationary nearly next week.
Jones Bay Temperature Statistics View More
September Temperature
Mount Gambier Airport (34km)
Lowest 1 September, 2026
6.9 °CAverage September
11.8 °CHighest 1 September, 2026
18.3 °C
Climate (2021–2026)
Mount Gambier Airport (34km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C