Blanche Harbor Weather Forecast
- 11
- 28
Mostly clear
- 18
- 32
Showers. Possible storm
- 17
- 28
Becoming windy. Sunny
- 15
- 23
Cloud clearing
- 12
- 27
Mostly sunny
- 15
- 30
Shower or two
- 17
- 29
Mostly sunny
Today 8 Nov Flinders
Clear. Winds easterly 20 to 30 km/h.
Spencer Gulf Coastal Waters
- Wind
- Easterly 15 to 20 knots.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Clear.
- Weather Situation
- A high pressure system centred west of TAS will continue to drift eastwards, while a weak low pressure system and trough near the western border continue to move eastwards. The high will drift southeast of Tasmania by Monday, while the trough and low continue to move eastwards across SA, clearing to the east later Tuesday. Another high will develop south of the state on Wednesday. Another trough extends into the far west of SA later Thursday.
Blanche Harbor Temperature Statistics View More
November Temperature
Port Augusta Airport (20 km)
Lowest 5 November, 2026
12.7 °CAverage November
21.2 °CHighest 1 November, 2026
36.1 °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