Vivonne Jetty Weather Forecast
- 12
- 16
Showers
- 10
- 16
Shower or two
- 10
- 21
Partly cloudy
- 15
- 26
Becoming cloudy
- 13
- 20
Showers easing
- 11
- 21
Showers
- 10
- 17
Possible shower
Today 26 Sep Kangaroo Island
Cloudy. Very high chance of showers, becoming less likely this evening. The chance of a thunderstorm this morning. Winds southeasterly 20 to 30 km/h increasing to 25 to 35 km/h in the early afternoon. Daytime maximum temperatures around 15.
South Central Coastal Waters
- Wind
- Southeasterly 15 to 25 knots, reaching up to 30 knots in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Cloudy. 80% chance of showers. The chance of a thunderstorm this morning.
- Weather Situation
- A trough extends over central Australia. A strong high pressure system extends a ridge across southern SA this weekend and pushes the trough into northern SA. The high moves into the Tasman Sea early next week, with the trough shifting west towards the WA border.
Vivonne Jetty Temperature Statistics View More
September Temperature
Kingscote Airport (44km)
Lowest 18 September, 2026
1.8 °CAverage September
12.6 °CHighest 19 September, 2026
25.5 °C
Climate (2021–2026)
Kingscote Airport (44km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C