Blanche Bay Weather Forecast
- 7
- 17
Partly cloudy
- 10
- 16
Shower
- 10
- 15
Shower
- 12
- 17
Shower
- 10
- 15
Shower
- 8
- 15
Cloudy
- 8
- 16
Cloudy
Today 15 Nov Lower South East
Mostly sunny. The chance of fog early this morning. Slight chance of a shower near the coast later tonight. Near zero chance of rain elsewhere. Light winds becoming southwesterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 18 and 23.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable below 10 knots becoming westerly 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 2 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A broad low pressure trough lies over the northeast of the state, moving eastwards throughout today. Following this trough, a ridge of high pressure will build across the Bight over the weekend, with a series of cold fronts passing over the southeast. The ridge of high pressure begins to dominate the weather pattern across all coastal waters early next week.
Blanche Bay Temperature Statistics View More
November Temperature
Mount Gambier Airport (35km)
Lowest 13 November, 2025
3.3 °CAverage November
12 °CHighest 2 November, 2025
24.5 °C
Climate (2020–Present)
Mount Gambier Airport (35km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.7 °CAverage High 2020–2025
20 °C