Joanna Weather Forecast
- 7
- 17
Showers. Becoming windy
- 6
- 14
Shower or two
- 9
- 15
Showers
- 7
- 14
Shower or two
- 4
- 16
Cloudy
- 7
- 17
Possible shower
- 8
- 17
Shower or two
Today 19 Sep Lower South East
Partly cloudy. The chance of fog in the early morning. Very high chance of showers, most likely from the late morning. Possible small hail in the south in the evening. The chance of a thunderstorm in the south in the afternoon, with possible damaging winds. Light winds becoming northwesterly 30 to 45 km/h in the morning then tending westerly in the early afternoon. Overnight temperatures falling to around 8 with daytime temperatures reaching around 18.
Joanna Temperature Statistics View More
September Temperature
Naracoorte Aerodrome (18km)
Lowest 5 September, 2025
-0.9 °CAverage September
11.2 °CHighest 15 September, 2025
24.7 °C
Climate (2020–Present)
Naracoorte Aerodrome (18km)
Average Low 2020–2025
8.3 °CAverage 2020–2025
14.4 °CAverage High 2020–2025
21.6 °C