O B Flat Weather Forecast
- 11
- 23
Shower or two. Windy
- 8
- 14
Partly cloudy
- -1
- 17
Morning frost. Sunny
- 3
- 22
Sunny
- 10
- 23
Partly cloudy
- 14
- 23
Shower or two
- 11
- 16
Shower or two
Today 20 Sep Mount Gambier
Partly cloudy. High chance of showers, most likely in the late afternoon and evening. Winds northwesterly 35 to 45 km/h tending westerly 35 to 50 km/h in the middle of the day then tending southwesterly 20 to 25 km/h in the late evening.
O B Flat Temperature Statistics View More
September Temperature
Mount Gambier Airport (14km)
Lowest 8 September, 2026
0.3 °CAverage September
11.5 °CHighest 18 September, 2026
22.2 °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