Marchmont Weather Forecast
- 10
- 27
Shower or two. Possible storm
- 11
- 29
Possible shower. Windy
- 8
- 25
Mostly sunny
- 8
- 27
Cloud clearing
- 8
- 31
Sunny
- 10
- 34
Sunny
- 15
- 35
Mostly sunny
Today 13 Dec Southern Tablelands
Partly cloudy. The chance of fog in the early morning, mainly in the east. Medium chance of showers in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the northwest. Winds east to northeasterly 15 to 20 km/h becoming light before dawn then becoming west to northwesterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching the mid to high 20s.
Marchmont Temperature Statistics View More
December Temperature
Canberra Airport (52km)
Lowest 2 December, 2025
-0.3 °CAverage December
18.7 °CHighest 5 December, 2025
36 °C
Climate (2020–Present)
Canberra Airport (52km)
Average Low 2020–2025
6.7 °CAverage 2020–2025
13.2 °CAverage High 2020–2025
20.7 °C