Sydney Weather Forecast

Today 18 Oct
- 17
- 22
Mostly sunny
Sun 19 Oct
- 17
- 26
Partly cloudy
Mon 20 Oct
- 17
- 33
Mostly sunny
Tue 21 Oct
- 19
- 24
Sunny
Wed 22 Oct
- 18
- 38
Mostly sunny
Thu 23 Oct
- 19
- 24
Possible shower
Fri 24 Oct
- 15
- 23
Shower or two

Today 18 Oct
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 19 Oct
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 20 Oct
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 21 Oct
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 22 Oct
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 23 Oct
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 24 Oct
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 18 Oct Sydney

Partly cloudy. Winds easterly 20 to 30 km/h.

Sydney Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (0km)

Lowest 19 June, 2025
6 °C
Average 2025
18.2 °C
Highest 16 March, 2025
37.1 °C
Lowest 23 September, 2025
8.1 °C
Average September
17.7 °C
Highest 8 September, 2025
29 °C
Lowest 3 October, 2025
12.1 °C
Average October
21.1 °C
Highest 6 October, 2025
31.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (0km)

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

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

Get WillyWeather+ to remove ads