Sydney Markets Weather Forecast

Today 15 Dec
- 18
- 23
Cloudy
Tue 16 Dec
- 17
- 23
Cloudy
Wed 17 Dec
- 18
- 26
Partly cloudy
Thu 18 Dec
- 18
- 30
Sunny
Fri 19 Dec
- 22
- 34
Partly cloudy
Sat 20 Dec
- 21
- 32
Shower or two. Possible storm
Sun 21 Dec
- 22
- 34
Shower or two

Today 15 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 16 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 17 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 18 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
Fri 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

Today 15 Dec Sydney

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

Sydney Markets Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (2km)

Lowest 19 June, 2025
6 °C
Average 2025
18.6 °C
Highest 5 December, 2025
37.8 °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
22.1 °C
Highest 5 December, 2025
37.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (2km)

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Average Low 2020–2025
14.7 °C
Average 2020–2025
18.3 °C
Average High 2020–2025
23.4 °C

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