Cowan Weather Forecast

Today 10 Dec
- 18
- 24
Possible shower
Thu 11 Dec
- 18
- 22
Showers. Possible storm
Fri 12 Dec
- 17
- 22
Showers. Possible afternoon storm
Sat 13 Dec
- 16
- 28
Shower or two. Possible storm
Sun 14 Dec
- 17
- 31
Mostly sunny
Mon 15 Dec
- 18
- 23
Shower or two
Tue 16 Dec
- 16
- 21
Cloudy

Today 10 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 11 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 12 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 13 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 14 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 15 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 16 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 10 Dec Sydney

Cloudy. Medium chance of showers. The chance of a thunderstorm. Winds southerly 15 to 25 km/h.

Cowan Temperature Statistics View More

December Temperature

Terrey Hills (12km)

Lowest 25 July, 2025
4.3 °C
Average 2025
17.2 °C
Highest 28 January, 2025
40.1 °C
Lowest 12 November, 2025
8.9 °C
Average November
19.8 °C
Highest 26 November, 2025
34.2 °C
Lowest 3 December, 2025
11.3 °C
Average December
21.7 °C
Highest 6 December, 2025
39.9 °C

Climate (2020–Present)

Terrey Hills (12km)

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Average Low 2020–2025
13.4 °C
Average 2020–2025
16.9 °C
Average High 2020–2025
21.8 °C

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