Mount Colah Weather Forecast

Today 18 Sep
- 7
- 25
Clear
Sat 19 Sep
- 11
- 29
Sunny
Sun 20 Sep
- 13
- 31
Sunny
Mon 21 Sep
- 17
- 28
Possible shower developing
Tue 22 Sep
- 13
- 18
Possible shower
Wed 23 Sep
- 14
- 22
Cloudy
Thu 24 Sep
- 13
- 25
Mostly sunny

Today 18 Sep
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 19 Sep
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 20 Sep
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 21 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 22 Sep
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 23 Sep
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 24 Sep
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 18 Sep Sydney

Clear. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly in the evening.

Mount Colah Temperature Statistics View More

September Temperature

Terrey Hills (10km)

Lowest 25 July, 2026
3.3 °C
Average 2026
17 °C
Highest 10 January, 2026
40.5 °C
Lowest 5 August, 2026
4.6 °C
Average August
13.2 °C
Highest 20 August, 2026
22.4 °C
Lowest 10 September, 2026
8.1 °C
Average September
15.9 °C
Highest 5 September, 2026
30.8 °C

Climate (2021–2026)

Terrey Hills (10km)

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

Average Low 2021–2026
13.6 °C
Average 2021–2026
17.1 °C
Average High 2021–2026
22 °C

Get WillyWeather+ to remove ads