Blanche Harbor Weather Forecast
- 10
- 15
Clear
- 7
- 16
Partly cloudy
- 8
- 16
Partly cloudy
- 7
- 16
Mostly sunny
- 7
- 18
Partly cloudy
- 8
- 17
Mostly sunny
- 8
- 19
Shower or two
Today 15 Jul Flinders
Mostly clear. Winds south to southeasterly 15 to 20 km/h becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- West to southwesterly 10 to 15 knots.
- 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
- Mostly clear.
- Weather Situation
- A low pressure system centred over the far northeast of SA will move over the eastern states later on Tuesday. A high pressure ridge will move across the north of SA mid-week and a cold front will move across the south on Thursday morning. Another cold front is expected to move across on Saturday. A more vigorous cold front will move across early next week.
Blanche Harbor Temperature Statistics View More
July Temperature
Port Augusta Airport (20km)
Lowest 2 July, 2025
-0.6 °CAverage July
12.2 °CHighest 13 July, 2025
21.8 °C
Climate (2020–Present)
Port Augusta Airport (20km)
Average Low 2020–2025
12.3 °CAverage 2020–2025
18.8 °CAverage High 2020–2025
26.2 °C