Riddoch Bay Weather Forecast

    • 5
    • 15

    Cloudy

    • 5
    • 21

    Mostly sunny

    • 13
    • 23

    Sunny

    • 13
    • 21

    Shower or two

    • 10
    • 14

    Cloudy

    • 5
    • 16

    Partly cloudy

    • 6
    • 21

    Partly cloudy

Today 17 Sep Mount Gambier

Cloudy. The chance of fog early this morning. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots becoming west to northwesterly 10 to 15 knots in the morning then tending north to northwesterly in the late evening.
Seas
Below 0.5 metres, increasing to below 1 metre south of Beachport.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres around midday.
Weather
Cloudy.
Weather Situation
A strong high pressure system south of the state will maintain a ridge across SA for the next few days as it drifts eastwards, to be located over NSW from Friday. A cold front is then likely to approach from the west late Saturday and move across SA on Sunday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

September Temperature

Mount Gambier Airport (33km)

  • Lowest 8 September, 2026

    0.3 °C
  • Average September

    11.4 °C
  • Highest 12 September, 2026

    21.8 °C

Climate (2021–2026)

Mount Gambier Airport (33km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    8.9 °C
  • Average 2021–2026

    13.7 °C
  • Average High 2021–2026

    20.1 °C
Get WillyWeather+ to remove ads