Blanche Harbor Weather Forecast
- 15
- 31
Showers. Storm
- 16
- 20
Possible early storm. Showers
- 12
- 21
Mostly sunny
- 11
- 22
Partly cloudy
- 12
- 23
Mostly sunny
- 13
- 25
Partly cloudy
- 14
- 28
Mostly sunny
Today 11 Oct Flinders
Cloudy. High chance of showers. A thunderstorm likely, possibly severe with damaging winds south of Hawker. Winds north to northwesterly 25 to 35 km/h.
Spencer Gulf Coastal Waters
- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo in the late afternoon. Winds shifting south to southwesterly in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 80% chance of showers north of Cowell to Wallaroo, 50% chance elsewhere. The chance of a thunderstorm with possible squalls.
- Weather Situation
- A trough and cold front located about central parts of SA continue crossing the state and clear to the east from Monday morning. A cool southwesterly airstream will follow as a high pressure system drifts eastwards across the Bight early this week.
Blanche Harbor Temperature Statistics View More
October Temperature
Port Augusta Airport (20 km)
Lowest 6 October, 2026
7.8 °CAverage October
17.7 °CHighest 8 October, 2026
32.8 °C
Climate (2021–2026)
Port Augusta Airport (20 km)
Average Low 2021–2026
12.6 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C