Riddoch Bay Weather Forecast
- 7
- 13
Shower or two
- 8
- 14
Shower or two
- 6
- 14
Cloudy
- 5
- 16
Shower or two
- 5
- 18
Sunny
- 9
- 14
Showers
- 7
- 14
Showers
Today 3 Aug Mount Gambier
Cloudy. Medium chance of showers. Winds westerly 20 to 30 km/h becoming light in the evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- West to southwesterly 20 to 30 knots decreasing to 20 to 25 knots in the early afternoon then becoming southwesterly 20 to 30 knots in the evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 3 to 4 metres.
- Weather
- Cloudy. 70% chance of showers, with possible small hail south of Port MacDonnell in the late afternoon and evening.
- Weather Situation
- A cold front slips across the southeast of the state overnight into Monday, as a high pressure system moves into the Bight, behind the front. The high is forecast to extend a ridge throughout the state as it moves east during the week, likely being centred over NSW towards the end of the week.
Riddoch Bay Temperature Statistics View More
August Temperature
Mount Gambier Airport (33km)
Lowest 1 August, 2026
0.3 °CAverage August
6.8 °CHighest 1 August, 2026
14 °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