O B Flat Weather Forecast
- 13
- 27
Partly cloudy
- 14
- 21
Showers
- 11
- 19
Showers
- 8
- 15
Shower or two
- 7
- 17
Partly cloudy
- 5
- 18
Partly cloudy
- 5
- 19
Partly cloudy
Today 29 Sep Mount Gambier
Partly cloudy. Slight chance of a shower, most likely later tonight. Winds northerly 25 to 40 km/h decreasing to 20 to 30 km/h in the evening then becoming light in the late evening.
O B Flat Temperature Statistics View More
September Temperature
Mount Gambier Airport (14km)
Lowest 22 September, 2026
-0.3 °CAverage September
11.6 °CHighest 19 September, 2026
25.8 °C
Climate (2021–2026)
Mount Gambier Airport (14km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C