Riddoch Bay Weather Forecast
- 7
- 16
Partly cloudy
- 9
- 13
Showers
- 7
- 13
Shower or two
- 6
- 13
Shower or two
- 4
- 13
Cloudy
- 3
- 14
Partly cloudy
- 4
- 15
Shower or two
Today 27 Jul Mount Gambier
Partly cloudy. Slight chance of a shower, most likely at night. Winds northerly 20 to 30 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northerly 20 to 30 knots turning northwesterly 25 to 30 knots in the evening.
- Seas
- 1.5 to 2.5 metres, increasing to 2.5 to 4 metres by early evening.
- 1st Swell
- Westerly 2 to 2.5 metres, tending southwesterly 2 to 2.5 metres by early evening, then tending northwest to southwesterly 2 to 3 metres later in the evening.
- Weather
- Partly cloudy. 90% chance of showers.
- Weather Situation
- A high pressure system centred over New South Wales will drift east over the Tasman Sea today allowing a cold front to move across the Bight. The front is forecast to continue to move east across southern South Australia on Tuesday, followed by a new high pressure system moving into the Bight on Wednesday. This new high is expected to move slowly east to be over Victoria later this week.
Riddoch Bay Temperature Statistics View More
July Temperature
Mount Gambier Airport (33km)
Lowest 7 July, 2026
-1.1 °CAverage July
9.4 °CHighest 1 July, 2026
16.7 °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