American River - Picnic Point Weather Forecast
- 15
- 33
Partly cloudy
- 13
- 21
Mostly sunny
- 12
- 20
Cloudy
- 12
- 19
Cloudy
- 12
- 23
Sunny
- 13
- 33
Sunny
- 16
- 33
Mostly sunny
Today 12 Dec Kangaroo Island
Partly cloudy. The chance of a thunderstorm in the evening. Winds northwest to southwesterly 15 to 20 km/h tending southwesterly in the middle of the day then tending southerly 25 to 40 km/h in the early afternoon. Daytime maximum temperatures in the low to mid 30s.
Investigator Strait Coastal Waters
- Wind
- Southerly 15 to 20 knots increasing to 15 to 25 knots in the evening. Winds reaching up to 30 knots in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm later this evening.
- Weather Situation
- A trough will move eastwards to clear South East coastal waters during Friday evening. A slow moving broad high pressure system in the Indian Ocean will then build a ridge across coastal waters on Saturday and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
American River - Picnic Point Temperature Statistics View More
December Temperature
Kingscote Airport (23km)
Lowest 7 December, 2025
3.8 °CAverage December
17.2 °CHighest 3 December, 2025
32.7 °C
Climate (2020–Present)
Kingscote Airport (23km)
Average Low 2020–2025
9.2 °CAverage 2020–2025
14.7 °CAverage High 2020–2025
21 °C