Observatory Hill Weather Forecast

Today 31 Dec
- 16
- 26
Cloudy
Thu 1 Jan
- 18
- 24
Shower or two
Fri 2 Jan
- 17
- 25
Partly cloudy
Sat 3 Jan
- 18
- 27
Partly cloudy
Sun 4 Jan
- 19
- 29
Shower or two. Possible storm
Mon 5 Jan
- 20
- 27
Possible shower
Tue 6 Jan
- 20
- 28
Cloudy

Today 31 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 1 Jan
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 2 Jan
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 3 Jan
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 4 Jan
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 5 Jan
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 6 Jan
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 31 Dec Sydney

Cloudy. Slight chance of a shower. Winds south to southeasterly 15 to 20 km/h.

Observatory Hill Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (0km)

Lowest 19 June, 2025
6 °C
Average 2025
18.8 °C
Highest 19 December, 2025
42.2 °C
Lowest 12 November, 2025
11.4 °C
Average November
20.9 °C
Highest 26 November, 2025
34.4 °C
Lowest 2 December, 2025
13.3 °C
Average December
22.2 °C
Highest 19 December, 2025
42.2 °C

Climate (2020–Present)

Sydney (Observatory Hill) (0km)

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Average Low 2020–2025
14.7 °C
Average 2020–2025
18.3 °C
Average High 2020–2025
23.5 °C

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