American Beach Weather Forecast
- 15
- 20
Windy
- 15
- 20
Windy
- 15
- 24
Partly cloudy
- 16
- 32
Partly cloudy
- 17
- 25
Partly cloudy
- 16
- 26
Windy
- 16
- 25
Partly cloudy
Today 15 Jan Kangaroo Island
Cloudy. Slight chance of a shower. Winds southerly 25 to 40 km/h.
Investigator Strait Coastal Waters
- Wind
- Southerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning southeasterly in the late evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Cloudy.
- Weather Situation
- A ridge of high pressure south of SA will persist over the coming days, with the high centre moving to the southeast, to be south of Tasmania on Friday and to the Tasman Sea later over the weekend. The ridge lingers into Saturday. On Sunday a trough will begin to move in from the west, reaching central districts by the evening and into the northeast early next week.
American Beach Temperature Statistics View More
January Temperature
Cape Willoughby (24km)
Lowest 1 January, 2026
13.7 °CAverage January
17.9 °CHighest 7 January, 2026
36.5 °C
Climate (2021–Present)
Cape Willoughby (24km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
18.4 °C