American Beach Weather Forecast
- 9
- 17
Partly cloudy
- 10
- 15
Shower
- 8
- 14
Shower
- 9
- 14
Shower
- 8
- 13
Shower
- 8
- 14
Partly cloudy
Today 14 Aug Kangaroo Island
Mostly sunny. Slight chance of a shower in the west at night. Near zero chance of rain elsewhere. Winds northerly 15 to 25 km/h increasing to 25 to 35 km/h in the morning then tending northwesterly in the late evening. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching around 17.
Investigator Strait Coastal Waters
- Wind
- Northeasterly 10 to 15 knots turning northerly 15 to 25 knots early in the morning.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the morning, increasing to 1 to 2 metres through the Backstairs Passage during the afternoon.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday, then increasing to 1 to 1.5 metres later in the evening.
- Weather
- Mostly sunny.
American Beach Temperature Statistics View More
August Temperature
Cape Willoughby (24km)
Lowest 2 August, 2025
8.6 °CAverage August
12.5 °CHighest 11 August, 2025
17.8 °C
Climate (2020–Present)
Cape Willoughby (24km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
15.4 °CAverage High 2020–2025
18.4 °C