Wilmington Weather Forecast
- 12
- 30
Partly cloudy
- 12
- 27
Partly cloudy
- 10
- 27
Partly cloudy
- 11
- 30
Partly cloudy
- 14
- 32
Partly cloudy
- 14
- 27
Shower
- 14
- 28
Shower
Today 25 Sep Flinders
Partly cloudy. Winds northeast to southeasterly 15 to 20 km/h tending north to northwesterly 20 to 30 km/h in the early morning then tending west to northwesterly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to between 11 and 16 with daytime temperatures reaching 29 to 34.
Wilmington Temperature Statistics View More
September Temperature
Port Augusta Airport (39km)
Lowest 18 September, 2026
3 °CAverage September
16.2 °CHighest 20 September, 2026
35.4 °C
Climate (2021–2026)
Port Augusta Airport (39km)
Average Low 2021–2026
12.6 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C