Siding Spring Observatory Weather Forecast

Today 19 Dec
- 21
- 36
Partly cloudy
Sat 20 Dec
- 22
- 37
Partly cloudy
Sun 21 Dec
- 23
- 37
Shower
Mon 22 Dec
- 22
- 30
Storm
Tue 23 Dec
- 19
- 31
Partly cloudy
Wed 24 Dec
- 16
- 32
Sunny
Thu 25 Dec
- 17
- 32
Sunny

Today 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
Wed 24 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 25 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 19 Dec North West Slopes and Plains

Mostly clear. The chance of a thunderstorm. Winds northwest to northeasterly 15 to 20 km/h becoming light in the late evening.

Siding Spring Observatory Temperature Statistics View More

December Temperature

Coonabarabran Airport (20km)

Lowest 25 July, 2025
0.3 °C
Average 2025
16.7 °C
Highest 22 January, 2025
37.9 °C
Lowest 12 November, 2025
6 °C
Average November
20.8 °C
Highest 24 November, 2025
36.1 °C
Lowest 2 December, 2025
6.7 °C
Average December
21.9 °C
Highest 6 December, 2025
36.3 °C

Climate (2020–Present)

Coonabarabran Airport (20km)

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

Average Low 2020–2025
11.4 °C
Average 2020–2025
16.2 °C
Average High 2020–2025
22.4 °C

Get WillyWeather+ to remove ads