Ballast Head Weather Forecast
- 11
- 26
Partly cloudy
- 14
- 20
Mostly sunny
- 14
- 20
Possible morning shower
- 14
- 23
Sunny
- 15
- 30
Mostly sunny
- 14
- 21
Mostly sunny
- 12
- 21
Cloudy
Today 8 Dec Kangaroo Island
Partly cloudy. Light winds.
Investigator Strait Coastal Waters
- Wind
- Southwesterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A broad ridge extends over inland parts of the state while a weak cold front clips the southeast late Monday. From Tuesday another high pressure system develops south of the Bight, strengthening the ridge over the state ahead of a trough of low pressure developing across the far northwest late Tuesday persisting late into the week.
Ballast Head Temperature Statistics View More
December Temperature
Kingscote Airport (25km)
Lowest 7 December, 2025
3.8 °CAverage December
16.6 °CHighest 3 December, 2025
32.7 °C
Climate (2020–Present)
Kingscote Airport (25km)
Average Low 2020–2025
9.2 °CAverage 2020–2025
14.7 °CAverage High 2020–2025
21 °C