American River Weather Forecast
- 8
- 18
Clear
- 11
- 18
Becoming cloudy
- 13
- 19
Partly cloudy
- 11
- 17
Showers easing
- 10
- 16
Showers
- 11
- 17
Shower or two
- 11
- 18
Possible shower
Today 21 May Kangaroo Island
Mostly clear. Light winds.
Investigator Strait Coastal Waters
- Wind
- Variable below 10 knots becoming northeasterly 10 to 15 knots in the evening.
- Seas
- Below 0.5 metres.
- 1st Swell
- West to southwesterly around 1 metre.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system over southeastern SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend. A low pressure system develops and lingers near the southeast early next week whilst a ridge high pressure builds over the west.
American River Temperature Statistics View More
May Temperature
Kingscote Airport (24km)
Lowest 14 May, 2026
5.5 °CAverage May
14.4 °CHighest 1 May, 2026
27.1 °C
Climate (2021–Present)
Kingscote Airport (24km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C