Willoughby Weather Forecast
- 11
- 15
Cloudy
- 9
- 15
Cloudy
- 11
- 14
Cloudy
- 11
- 15
Partly cloudy
- 11
- 15
Sunny
- 12
- 19
Partly cloudy
- 14
- 18
Shower
Today 7 Sep Kangaroo Island
Partly cloudy. Winds southerly 15 to 20 km/h tending southeasterly 15 to 25 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching around 16.
Willoughby Temperature Statistics View More
September Temperature
Cape Willoughby (4km)
Lowest 2 September, 2026
9.9 °CAverage September
13.4 °CHighest 4 September, 2026
18.1 °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