Riddoch Bay Weather Forecast
- 11
- 15
Rain easing
- 9
- 16
Shower or two
- 7
- 17
Possible shower
- 8
- 18
Cloudy
- 9
- 19
Partly cloudy
- 10
- 22
Possible shower
- 13
- 21
Possible shower
Today 25 Oct Mount Gambier
Cloudy. Very high chance of rain, becoming less likely this afternoon. Winds southwesterly 20 to 30 km/h becoming light in the evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- South to southwesterly 15 to 20 knots tending west to southwesterly in the late morning and afternoon. Winds reaching up to 25 knots south of Port MacDonnell in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Beachport during the morning.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy. 70% chance of showers, with possible small hail south of Beachport late this afternoon and evening.
- Weather Situation
- A trough and cold front continue moving across the far northeast on Sunday. A ridge of high pressure will move into the west late Sunday and persist over much of southern SA through to mid-next week, as the associated high slowly drifts east across waters to the south. A trough and low pressure system may then develop near the WA border from late Wednesday.
Riddoch Bay Temperature Statistics View More
October Temperature
Mount Gambier Airport (33 km)
Lowest 7 October, 2026
2.8 °CAverage October
15 °CHighest 22 October, 2026
32.8 °C
Climate (2021–2026)
Mount Gambier Airport (33 km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.8 °CAverage High 2021–2026
20.1 °C