Sanderson Bay Weather Forecast
- 12
- 21
Shower
- 12
- 19
Shower
- 11
- 20
Shower
- 12
- 20
Cloudy
- 12
- 21
Cloudy
- 12
- 21
Cloudy
- 13
- 23
Partly cloudy
Today 20 Dec Kangaroo Island
Partly cloudy. Medium chance of showers this evening. Winds southerly 15 to 20 km/h turning east to southeasterly 15 to 25 km/h in the late morning and afternoon. Daytime maximum temperatures in the low to mid 20s.
South Central Coastal Waters
- Wind
- South to southeasterly 10 to 15 knots tending east to southeasterly in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon, then decreasing to around 1 metre later in the evening.
- Weather
- Cloudy. The chance of a thunderstorm west of Kangaroo Island later tonight.
- Weather Situation
- A broad trough of low pressure lies over east and northern parts of the State. This area of low pressure is expected to linger over the northeast today before moving east Sunday with the next low pressure system that develops south of the bight. A high pressure ridge then extends over the west and south during Sunday, and throughout by Monday. A persistent high pressure ridge remains over the State and Coastal Waters during Tuesday and Wednesday.
Sanderson Bay Temperature Statistics View More
December Temperature
Kingscote Airport (75km)
Lowest 7 December, 2025
3.8 °CAverage December
18.1 °CHighest 18 December, 2025
41 °C
Climate (2020–Present)
Kingscote Airport (75km)
Average Low 2020–2025
9.2 °CAverage 2020–2025
14.7 °CAverage High 2020–2025
21.1 °C