Gerloff Bay Weather Forecast
- 15
- 23
Cloudy
- 13
- 20
Cloudy
- 11
- 17
Shower
- 10
- 19
Shower
- 12
- 19
Shower
- 12
- 20
Shower
- 10
- 19
Cloudy
Today 19 Dec Lower South East
Partly cloudy. Slight chance of a shower. Winds southwesterly 20 to 30 km/h. Daytime maximum temperatures 24 to 33.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southwesterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell during the afternoon.
- 1st Swell
- Southwesterly 1.5 metres, increasing to 1.5 to 2 metres around midday.
- Weather
- Cloudy. The chance of a thunderstorm offshore in the evening.
- Weather Situation
- A trough of broad low pressure lies in the west. This area of low pressure is expected to slowly extend across the state from the west during today and tomorrow, 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.
Gerloff Bay Temperature Statistics View More
December Temperature
Mount Gambier Airport (37km)
Lowest 7 December, 2025
4.7 °CAverage December
15.8 °CHighest 17 December, 2025
34.3 °C
Climate (2020–Present)
Mount Gambier Airport (37km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.6 °CAverage High 2020–2025
19.9 °C