Riddoch Bay Weather Forecast
- 9
- 14
Rain
- 10
- 15
Showers
- 7
- 14
Showers
- 8
- 14
Showers
- 10
- 15
Shower or two
- 9
- 15
Shower or two
- 7
- 15
Possible shower
Today 9 Aug Mount Gambier
Cloudy. Very high chance of rain. Light winds.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable about 10 knots becoming southerly 15 to 20 knots in the evening. Winds reaching up to 30 knots offshore in the late evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre by early evening.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Cloudy. 80% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A low pressure system near Yorke Peninsula and an associated vigorous cold front will continue to move eastwards this evening and overnight before moving out over the eastern states early Monday morning. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday. Another ridge of high pressure pushes into the west of the state on Wednesday, with the associated high moving over South Australia on Thursday.
Riddoch Bay Temperature Statistics View More
August Temperature
Mount Gambier Airport (33km)
Lowest 1 August, 2026
0.3 °CAverage August
9.1 °CHighest 2 August, 2026
15.7 °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