Hornsby Heights Weather Forecast

Today 19 Oct
- 14
- 27
Clear
Mon 20 Oct
- 16
- 36
Sunny
Tue 21 Oct
- 17
- 25
Sunny
Wed 22 Oct
- 17
- 39
Becoming windy. Partly cloudy
Thu 23 Oct
- 19
- 25
Partly cloudy
Fri 24 Oct
- 15
- 24
Partly cloudy
Sat 25 Oct
- 15
- 25
Partly cloudy

Today 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
Sat 25 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 19 Oct Sydney

Clear. Winds northeasterly 25 to 35 km/h becoming light in the late evening.

Hornsby Heights Temperature Statistics View More

October Temperature

Terrey Hills (12km)

Lowest 25 July, 2025
4.3 °C
Average 2025
16.8 °C
Highest 28 January, 2025
40.1 °C
Lowest 23 September, 2025
6.7 °C
Average September
16.2 °C
Highest 8 September, 2025
27.7 °C
Lowest 3 October, 2025
8.6 °C
Average October
19.6 °C
Highest 17 October, 2025
31.5 °C

Climate (2020–Present)

Terrey Hills (12km)

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Average Low 2020–2025
13.4 °C
Average 2020–2025
16.9 °C
Average High 2020–2025
21.7 °C

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