Sydenham Weather Forecast

Today 15 Dec
- 18
- 22
Possible shower
Tue 16 Dec
- 17
- 23
Cloudy
Wed 17 Dec
- 19
- 26
Partly cloudy
Thu 18 Dec
- 18
- 29
Sunny
Fri 19 Dec
- 21
- 32
Possible shower developing
Sat 20 Dec
- 21
- 30
Shower or two
Sun 21 Dec
- 22
- 32
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. Medium chance of showers, most likely in the evening. Winds southeasterly 20 to 30 km/h.

Sydenham Temperature Statistics View More

December Temperature

Sydney Airport (3km)

Lowest 19 June, 2025
5.8 °C
Average 2025
19 °C
Highest 28 January, 2025
42.5 °C
Lowest 12 November, 2025
11 °C
Average November
21.4 °C
Highest 26 November, 2025
35.6 °C
Lowest 2 December, 2025
13.4 °C
Average December
22.5 °C
Highest 6 December, 2025
39.2 °C

Climate (2020–Present)

Sydney Airport (3km)

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Average Low 2020–2025
14.8 °C
Average 2020–2025
18.6 °C
Average High 2020–2025
23.3 °C

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