Riddoch Bay Weather Forecast
- 10
- 14
Partly cloudy
- 8
- 14
Cloudy
- 6
- 15
Cloudy
- 5
- 21
Sunny
- 11
- 24
Sunny
- 13
- 21
Shower or two
- 10
- 16
Cloudy
Today 15 Sep Mount Gambier
Partly cloudy. Slight chance of a shower, most likely in the morning. Winds southwesterly 25 to 35 km/h tending southerly 20 to 30 km/h in the late afternoon then becoming light in the late evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southwesterly 20 to 25 knots, reaching up to 30 knots south of Port MacDonnell during the morning and early afternoon. Winds turning southerly 15 to 25 knots in the afternoon.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
- Weather
- Partly cloudy.
Riddoch Bay Temperature Statistics View More
September Temperature
Mount Gambier Airport (33km)
Lowest 8 September, 2026
0.3 °CAverage September
11.6 °CHighest 12 September, 2026
21.8 °C
Climate (2021–2026)
Mount Gambier Airport (33km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C