Blanche Harbor Weather Forecast
- 15
- 19
Clear
- 11
- 21
Sunny
- 12
- 24
Partly cloudy
- 14
- 24
Mostly sunny
- 14
- 27
Partly cloudy
- 18
- 26
Showers. Possible storm
- 16
- 26
Mostly sunny
Today 25 Oct Flinders
Clear. Winds southerly 15 to 25 km/h.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A ridge of high pressure moves into western SA and will persist over most the state, as the associated high drifts east across waters to the south, clearing east of Australia from Thursday. A trough and low pressure system are then forecast to track into western SA on Thursday before crossing the rest of the state on Friday.
Blanche Harbor Temperature Statistics View More
October Temperature
Port Augusta Airport (20 km)
Lowest 6 October, 2026
7.8 °CAverage October
19.9 °CHighest 22 October, 2026
36.3 °C
Climate (2021–2026)
Port Augusta Airport (20 km)
Average Low 2021–2026
12.7 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C