MacDonnell Bay Weather Forecast
- 8
- 15
Cloudy
- 6
- 18
Cloudy
- 13
- 27
Windy
- 14
- 19
Shower
- 10
- 18
Shower
- 10
- 15
Partly cloudy
- 8
- 15
Cloudy
Today 27 Sep Lower South East
Partly cloudy. Winds southeasterly 15 to 20 km/h becoming light before dawn then becoming southeasterly 15 to 25 km/h in the morning. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching around 17.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southeasterly 15 to 20 knots, reaching up to 25 knots north of Port MacDonnell in the evening. Winds turning easterly in the evening.
- Seas
- 1 to 2 metres, decreasing to 1.5 metres later in the evening.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Cloudy.
MacDonnell Bay Temperature Statistics View More
September Temperature
Mount Gambier Airport (34km)
Lowest 22 September, 2026
-0.3 °CAverage September
11.8 °CHighest 19 September, 2026
25.8 °C
Climate (2021–2026)
Mount Gambier Airport (34km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C