Willoughby Weather Forecast
- 11
- 14
Cloudy
- 10
- 15
Sunny
- 11
- 18
Partly cloudy
- 14
- 22
Partly cloudy
- 14
- 20
Shower
- 14
- 18
Cloudy
- 14
- 22
Partly cloudy
Today 21 Sep Kangaroo Island
Cloudy. Winds southerly 20 to 30 km/h turning east to southeasterly 15 to 20 km/h in the late morning and afternoon. Daytime maximum temperatures around 14.
Willoughby Temperature Statistics View More
September Temperature
Cape Willoughby (4km)
Lowest 2 September, 2026
9.9 °CAverage September
13.9 °CHighest 19 September, 2026
21.9 °C
Climate (2021–2026)
Cape Willoughby (4km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
18.5 °C