Cassini Weather Forecast
- 16
- 36
Sunny
- 14
- 26
Partly cloudy
- 10
- 23
Possible late shower
- 11
- 22
Showers easing
- 10
- 21
Cloudy
- 10
- 21
Cloudy
- 10
- 22
Cloudy
Today 18 Dec Kangaroo Island
Sunny. Winds north to northwesterly 20 to 30 km/h shifting south to southeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures in the mid to high 30s.
Investigator Strait Coastal Waters
- Wind
- Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly in the middle of the day then becoming variable about 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A ridge of high pressure extends across most of SA, as a trough of low pressure develops over the west today. This broad area of low pressure is expected to slowly move across the state from the west during Friday and Saturday, before another ridge of high pressure develops through the west and south on Sunday.
Cassini Temperature Statistics View More
December Temperature
Kingscote Airport (23km)
Lowest 7 December, 2025
3.8 °CAverage December
17.3 °CHighest 12 December, 2025
36.2 °C
Climate (2020–Present)
Kingscote Airport (23km)
Average Low 2020–2025
9.2 °CAverage 2020–2025
14.7 °CAverage High 2020–2025
21 °C