Jones Bay Weather Forecast
- 12
- 34
Cloudy
- 16
- 26
Cloudy
- 13
- 20
Cloudy
- 10
- 18
Shower
- 11
- 19
Shower
- 11
- 19
Shower
- 12
- 19
Shower
Today 18 Dec Lower South East
Mostly clear. The chance of a thunderstorm in the south later this evening. Winds westerly 25 to 35 km/h tending southwesterly 15 to 20 km/h in the evening then becoming light in the late evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable below 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly around 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm south of Beachport later this evening.
- Weather Situation
- A trough of low pressure lingers about the northeast of SA this evening, as another trough of low pressure develops over the west. This broad area of low pressure is expected to slowly extend a trough across the state from the west during Friday and Saturday, before contracting to the far northeast on Sunday evening. Behind this, a ridge of high pressure moves over the west and south during Sunday, persisting throughout SA by late Monday.
Jones Bay Temperature Statistics View More
December Temperature
Mount Gambier Airport (34km)
Lowest 7 December, 2025
4.7 °CAverage December
15.2 °CHighest 12 December, 2025
32.6 °C
Climate (2020–Present)
Mount Gambier Airport (34km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.6 °CAverage High 2020–2025
19.9 °C