Blanche Harbor Weather Forecast
- 12
- 22
Partly cloudy
- 13
- 23
Partly cloudy
- 12
- 23
Sunny
- 12
- 27
Sunny
- 14
- 30
Sunny
- 18
- 27
Showers
- 12
- 22
Cloud clearing
Today 4 Oct Flinders
Partly cloudy. Slight chance of a shower, becoming less likely later tonight. Winds northwest to southwesterly 15 to 20 km/h becoming light in the late evening.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots tending south to southeasterly below 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system south of SA extends a ridge over the state. A cold front is forecast to pass over the southeast early Tuesday, followed quickly by a high pressure system that is expected to pass over the south of the state later Tuesday and on Wednesday, maintaining a ridge over the state. Another cold front is expected to start moving across the Bight later in the week
Blanche Harbor Temperature Statistics View More
October Temperature
Port Augusta Airport (20km)
Lowest 3 October, 2026
11.6 °CAverage October
16.8 °CHighest 1 October, 2026
24 °C
Climate (2021–2026)
Port Augusta Airport (20km)
Average Low 2021–2026
12.6 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C