Geltwood Beach Weather Forecast
- 13
- 20
Shower
- 10
- 18
Shower
- 9
- 16
Rain
- 9
- 16
Shower
- 8
- 16
Partly cloudy
- 4
- 17
Partly cloudy
- 9
- 15
Shower
Today 30 Sep Lower South East
Cloudy. Medium chance of showers. The chance of a thunderstorm. Light winds.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- West to northwesterly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Cloudy. The chance of a thunderstorm.
- Weather Situation
- A series of slow moving troughs will move across the state today and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
Geltwood Beach Temperature Statistics View More
September Temperature
Mount Gambier Airport (55km)
Lowest 22 September, 2026
-0.3 °CAverage September
11.9 °CHighest 19 September, 2026
25.8 °C
Climate (2021–2026)
Mount Gambier Airport (55km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C