Mount Colah Weather Forecast
- 15
- 19
Cloudy
- 13
- 23
Partly cloudy
- 14
- 23
Partly cloudy
- 14
- 25
Mostly sunny
- 14
- 28
Sunny
- 16
- 31
Partly cloudy
- 16
- 28
Partly cloudy
Today 26 Dec Sydney
Cloudy. Slight chance of a shower this morning. Winds southerly 25 to 40 km/h.
Mount Colah Temperature Statistics View More
December Temperature
Terrey Hills (10km)
Lowest 3 December, 2025
11.3 °CAverage December
21.8 °CHighest 19 December, 2025
40.2 °C
Climate (2020–Present)
Terrey Hills (10km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
21.8 °C