Cottesloe Weather Forecast

Today 17 Dec
- 18
- 24
Windy. Mostly sunny
Thu 18 Dec
- 15
- 30
Windy. Sunny
Fri 19 Dec
- 17
- 30
Becoming windy. Sunny
Sat 20 Dec
- 16
- 28
Windy. Sunny
Sun 21 Dec
- 14
- 27
Becoming windy. Sunny
Mon 22 Dec
- 17
- 29
Becoming windy. Sunny
Tue 23 Dec
- 17
- 32
Sunny

Today 17 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Thu 18 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 19 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sat 20 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 21 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 22 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 23 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm

Today 17 Dec Perth

Sunny. Winds southwesterly 20 to 30 km/h turning southerly 15 to 25 km/h in the late evening.

Cottesloe Temperature Statistics View More

December Temperature

Swanbourne (4km)

Lowest 25 July, 2025
2.8 °C
Average 2025
18.7 °C
Highest 20 January, 2025
43 °C
Lowest 2 November, 2025
8.7 °C
Average November
20 °C
Highest 11 November, 2025
33.9 °C
Lowest 4 December, 2025
14.6 °C
Average December
22.8 °C
Highest 14 December, 2025
41.1 °C

Climate (2020–Present)

Swanbourne (4km)

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

Average Low 2020–2025
14.5 °C
Average 2020–2025
18.9 °C
Average High 2020–2025
24.3 °C

Get WillyWeather+ to remove ads