Middle River Weather Forecast
- 8
- 18
Sunny
- 11
- 19
Showers
- 10
- 15
Shower or two
- 12
- 17
Shower or two
- 10
- 18
Showers
- 11
- 15
Shower or two
- 10
- 17
Shower or two
Today 31 Aug Kangaroo Island
Sunny. Winds northerly 15 to 20 km/h becoming light in the late afternoon then becoming northerly 15 to 20 km/h in the late evening. Daytime maximum temperatures around 18.
Investigator Strait Coastal Waters
- Wind
- North to northeasterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly around 1 metre.
- Weather
- Sunny.
- Weather Situation
- A high pressure system southeast of SA continues extending a ridge across the state, as it moves over Victoria and into the Tasman Sea by late Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge and high push in behind the front on Wednesday. Another cold front may slip across the southeast parts of SA early Thursday, with the high moving over eastern SA.
Middle River Temperature Statistics View More
August Temperature
Kingscote Airport (41km)
Lowest 1 August, 2026
-0.1 °CAverage August
11.6 °CHighest 28 August, 2026
19.6 °C
Climate (2021–2026)
Kingscote Airport (41km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C