Stephenston Weather Forecast
- 6
- 15
Shower
- 4
- 15
Shower
- 4
- 15
Shower
- 4
- 16
Cloudy
- 3
- 17
Cloudy
- 5
- 16
Cloudy
- 4
- 16
Partly cloudy
Today 10 Aug Flinders
Cloudy. Very high chance of showers, most likely in the early morning. Damaging winds possible. Winds west to northwesterly 35 to 55 km/h tending west to southwesterly 35 to 50 km/h before dawn then tending west to northwesterly 15 to 20 km/h in the evening. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 12 and 17.
Stephenston Temperature Statistics View More
August Temperature
Port Augusta Airport (48km)
Lowest 1 August, 2026
-1.1 °CAverage August
10.7 °CHighest 7 August, 2026
22.1 °C
Climate (2021–2026)
Port Augusta Airport (48km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C