Willoughby Weather Forecast

Today 16 Dec
- 13
- 20
Sunny
Wed 17 Dec
- 14
- 32
Sunny
Thu 18 Dec
- 18
- 34
Sunny
Fri 19 Dec
- 17
- 22
Cloudy
Sat 20 Dec
- 14
- 20
Shower
Sun 21 Dec
- 14
- 20
Shower
Mon 22 Dec
- 13
- 20
Cloudy

Today 16 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 17 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 18 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 19 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 20 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 21 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 22 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

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.

Willoughby Temperature Statistics View More

December Temperature

Cape Willoughby (4km)

Lowest 30 August, 2025
5.6 °C
Average 2025
15.7 °C
Highest 10 March, 2025
34.4 °C
Lowest 3 November, 2025
8.2 °C
Average November
14.6 °C
Highest 24 November, 2025
25.4 °C
Lowest 2 December, 2025
10.7 °C
Average December
16.7 °C
Highest 3 December, 2025
27.7 °C

Climate (2020–Present)

Cape Willoughby (4km)

Take a look at our website widgetsAvailable free! Find Out More

Average Low 2020–2025
13.3 °C
Average 2020–2025
15.3 °C
Average High 2020–2025
18.4 °C

Get WillyWeather+ to remove ads