Middle River Weather Forecast
- 13
- 24
Partly cloudy
- 17
- 27
Partly cloudy
- 18
- 28
Late shower or two
- 16
- 24
Mostly sunny
- 11
- 23
Partly cloudy
- 13
- 22
Partly cloudy
- 13
- 22
Partly cloudy
Today 29 Mar Kangaroo Island
Partly cloudy. Winds east to northeasterly 15 to 25 km/h turning northerly in the morning then tending northeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.
Investigator Strait Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots tending north to northeasterly in the morning then tending east to northeasterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly below 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system south of Kangaroo Island will move slowly eastwards this weekend to be centred over the Tasman Sea on Monday. A trough is forecast to move across the western and central waters Tuesday afternoon and evening, pushing across southeastern coasts Wednesday morning. Another high pressure system is expected to become established south of the Bight later next week.
Middle River Temperature Statistics View More
March Temperature
Kingscote Airport (41km)
Lowest 22 March, 2026
7 °CAverage March
17.7 °CHighest 23 March, 2026
31.9 °C
Climate (2021–Present)
Kingscote Airport (41km)
Average Low 2021–2026
9.2 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C