Western River Weather Forecast
- 11
- 20
Cloudy
- 9
- 20
Cloudy
- 9
- 27
Sunny
- 12
- 33
Sunny
- 17
- 36
Sunny
- 16
- 27
Partly cloudy
- 12
- 25
Partly cloudy
Today 14 Dec Kangaroo Island
Cloudy. Winds southerly 15 to 25 km/h.
Investigator Strait Coastal Waters
- Wind
- Southerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- West to southwesterly around 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system in the Bight, maintains a ridge over SA as it slowly moves eastwards and out to the Tasman Sea by Wednesday. A trough of low pressure forecast to drift into the far northeast of SA late Wednesday, slowing moving south during Thursday.
Western River Temperature Statistics View More
December Temperature
Cape Borda (35km)
Lowest 7 December, 2025
9.2 °CAverage December
16.5 °CHighest 11 December, 2025
26.8 °C
Climate (2020–Present)
Cape Borda (35km)
Average Low 2020–2025
11.7 °CAverage 2020–2025
14.8 °CAverage High 2020–2025
18.8 °C