Riddoch Bay Weather Forecast
- 9
- 16
Showers
- 11
- 17
Shower or two
- 9
- 18
Partly cloudy
- 7
- 17
Partly cloudy
- 9
- 19
Sunny
- 13
- 18
Showers
- 9
- 17
Possible shower
Today 5 Jun Mount Gambier
Cloudy. High chance of showers. Winds westerly 15 to 25 km/h becoming light in the late afternoon.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Beachport during the afternoon.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy. 80% chance of showers.
- Weather Situation
- A broad southwesterly flow over SA waters will tend west to northwesterly as a high pressure system over southern WA moves steadily eastwards across northern SA on Friday and Saturday, reaching NSW on Sunday and the Tasman Sea by Monday. Northerly winds freshen from the west on Tuesday ahead of a mid-week southwesterly change.
Riddoch Bay Temperature Statistics View More
June Temperature
Mount Gambier Airport (33km)
Lowest 1 June, 2026
6.9 °CAverage June
11.2 °CHighest 2 June, 2026
16.8 °C
Climate (2021–Present)
Mount Gambier Airport (33km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C