Western River Weather Forecast
- 6
- 18
Partly cloudy
- 11
- 23
Partly cloudy
- 11
- 23
Partly cloudy
- 11
- 21
Shower
- 11
- 28
Sunny
- 13
- 32
Partly cloudy
- 13
- 20
Partly cloudy
Today 7 Dec Kangaroo Island
Mostly clear. Winds west to northwesterly 15 to 25 km/h becoming light in the evening.
Investigator Strait Coastal Waters
- Wind
- Northwest to southwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly 1 to 1.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system over the eastern Bight will continue to move eastwards, to be centred over the Tasman Sea by Monday. A weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. The high moves slowly eastwards to be centred over the Tasman Sea late Thursday.
Western River Temperature Statistics View More
December Temperature
Cape Borda (35km)
Lowest 2 December, 2025
9.7 °CAverage December
16.4 °CHighest 4 December, 2025
24 °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