Riddoch Bay Weather Forecast
- 8
- 15
Shower or two
- 10
- 14
Shower or two
- 8
- 14
Shower or two clearing
- 4
- 14
Shower or two
- 9
- 15
Showers
- 8
- 14
Cloudy
- 6
- 14
Cloudy
Today 19 Jun Mount Gambier
Cloudy. Medium chance of showers. Winds southerly 15 to 20 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southerly 20 to 30 knots.
- Seas
- 2 metres, increasing to 2.5 to 3 metres south of Beachport.
- 1st Swell
- Southwesterly 4 metres.
- Weather
- Cloudy.
- Weather Situation
- A low pressure system over Bass Strait will move eastwards and weaken overnight. An associated cold front will move slowly across the southeast of SA and will clear to the east during Saturday morning. A high pressure system will become established over the Bight during Saturday then will move only slowly eastwards during Sunday and Monday. A low pressure trough will move across southern coastal districts on Tuesday then another high will move across waters to the south.
Riddoch Bay Temperature Statistics View More
June Temperature
Mount Gambier Airport (33km)
Lowest 15 June, 2026
2.4 °CAverage June
12 °CHighest 12 June, 2026
20.1 °C
Climate (2021–2026)
Mount Gambier Airport (33km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C