American River - Picnic Point Weather Forecast
- 12
- 19
Partly cloudy
- 11
- 24
Sunny
- 12
- 33
Sunny
- 17
- 37
Sunny
- 17
- 28
Partly cloudy
- 13
- 22
Partly cloudy
- 13
- 21
Shower or two
Today 15 Dec Kangaroo Island
Partly cloudy. Winds southerly 20 to 30 km/h turning southeasterly in the early afternoon. Daytime maximum temperatures between 18 and 21.
Investigator Strait Coastal Waters
- Wind
- Southeasterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- West to southwesterly below 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
American River - Picnic Point Temperature Statistics View More
December Temperature
Kingscote Airport (23km)
Lowest 7 December, 2025
3.8 °CAverage December
17.5 °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