Blanche Harbor Weather Forecast
- 7
- 16
Cloudy
- 9
- 18
Shower or two
- 8
- 17
Possible shower
- 8
- 17
Cloud clearing
- 7
- 17
Mostly sunny
- 7
- 18
Mostly sunny
- 7
- 20
Sunny
Today 12 Jul Flinders
Cloudy. Slight chance of a shower. Winds west to northwesterly 15 to 25 km/h. Daytime maximum temperatures between 11 and 15.
Spencer Gulf Coastal Waters
- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots south of Port Neill to Port Victoria during the morning.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Port Neill to Port Victoria.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front moving across the southeast will continue into the Tasman Sea today as a ridge of high pressure begins to build over northern SA. A second front will pass across southeastern SA on Monday before the high begins to dominate the weather pattern across SA mid next week.
Blanche Harbor Temperature Statistics View More
July Temperature
Port Augusta Airport (20km)
Lowest 6 July, 2026
1 °CAverage July
12.1 °CHighest 7 July, 2026
20 °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