Vivonne Bay Weather Forecast
- 14
- 23
Clear
- 15
- 21
Possible shower developing
- 10
- 14
Cloudy
- 6
- 17
Partly cloudy
- 8
- 21
Mostly sunny
- 13
- 23
Partly cloudy
- 13
- 22
Possible shower
Today 19 Sep Kangaroo Island
Clear. Winds north to northwesterly 15 to 20 km/h becoming light in the late afternoon then becoming northerly 15 to 25 km/h in the late evening.
South Central Coastal Waters
- Wind
- Northwesterly 15 to 20 knots turning northerly in the evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 1.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system centred over NSW will extend a ridge westwards over SA during Saturday. A cold front will approach from the west late Saturday then move across SA on Sunday. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday.
Vivonne Bay Temperature Statistics View More
September Temperature
Kingscote Airport (43km)
Lowest 18 September, 2026
1.8 °CAverage September
12 °CHighest 1 September, 2026
21.3 °C
Climate (2021–2026)
Kingscote Airport (43km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C