Cape Willoughby Weather Forecast
- 13
- 20
Sunny
- 14
- 32
Sunny
- 18
- 34
Sunny
- 17
- 22
Cloudy
- 14
- 20
Shower
- 14
- 20
Shower
- 13
- 20
Cloudy
Today 16 Dec Kangaroo Island
Sunny. Winds east to southeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures in the low to high 20s.
South Central Coastal Waters
- Wind
- Easterly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Sunny.
- Weather Situation
- A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Cape Willoughby Temperature Statistics View More
December Temperature
Cape Willoughby (0km)
Lowest 2 December, 2025
10.7 °CAverage December
16.7 °CHighest 3 December, 2025
27.7 °C
Climate (2020–Present)
Cape Willoughby (0km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
15.3 °CAverage High 2020–2025
18.4 °C