Vivonne Bay Weather Forecast
- 16
- 26
Showers increasing
- 12
- 19
Shower or two
- 10
- 21
Mostly sunny
- 11
- 22
Partly cloudy
- 13
- 25
Partly cloudy
- 16
- 26
Sunny
- 16
- 26
Mostly sunny
Today 25 Apr Kangaroo Island
Becoming cloudy. Very high chance of showers, most likely late this afternoon and evening. The chance of a thunderstorm this evening. Winds northerly 20 to 30 km/h tending northwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures in the low to mid 20s.
South Central Coastal Waters
- Wind
- Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots during the afternoon and evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. 90% chance of showers. The chance of a thunderstorm this evening.
- Weather Situation
- A strong high pressure system over the Tasman Sea will maintain a ridge over SA. A cold front will pass over the south on Saturday, weakening and clearing in the east early Sunday. A new high pressure system will develop in the Bight on Sunday, drifting east early next week to merge with the strong high in the Tasman Sea.
Vivonne Bay Temperature Statistics View More
April Temperature
Kingscote Airport (43km)
Lowest 18 April, 2026
3.6 °CAverage April
15.8 °CHighest 21 April, 2026
26.8 °C
Climate (2021–Present)
Kingscote Airport (43km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C