Riddoch Bay Weather Forecast
- 8
- 15
Cloudy
- 8
- 17
Partly cloudy
- 8
- 19
Shower or two
- 11
- 20
Partly cloudy
- 12
- 25
Mostly sunny
- 12
- 21
Shower or two
- 11
- 18
Shower or two
Today 20 Nov Mount Gambier
Cloudy. Winds southerly 15 to 25 km/h becoming light in the evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southerly 10 to 15 knots turning southeasterly in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 4 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred well south of Perth extends a ridge over SA with a broad south to southwesterly flow extending across agricultural areas. The ridge will move southeast today as the high centre moves to a position well south of the Bight. The high will pass over Tasmania on Friday and a trough will move over the far west of SA. This trough will move slowly over the state during the weekend to reach eastern districts late Saturday. A second low pressure trough is expected enter the far west of SA on Sunday.
Riddoch Bay Temperature Statistics View More
November Temperature
Mount Gambier Airport (33km)
Lowest 13 November, 2025
3.3 °CAverage November
12.3 °CHighest 2 November, 2025
24.5 °C
Climate (2020–Present)
Mount Gambier Airport (33km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.6 °CAverage High 2020–2025
20 °C