Hornsby Weather Forecast

Today 5 Aug
- 3
- 18
Sunny
Thu 6 Aug
- 5
- 17
Sunny
Fri 7 Aug
- 4
- 17
Sunny
Sat 8 Aug
- 6
- 18
Mostly sunny
Sun 9 Aug
- 9
- 19
Shower or two
Mon 10 Aug
- 10
- 17
Partly cloudy
Tue 11 Aug
- 7
- 20
Sunny

Today 5 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 6 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 7 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 8 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 9 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 10 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 11 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 5 Aug Sydney

Mostly sunny. Areas of morning frost. Light winds becoming westerly 15 to 20 km/h in the morning then becoming light in the evening.

Hornsby Temperature Statistics View More

August Temperature

Terrey Hills (12km)

Lowest 25 July, 2026
3.3 °C
Average 2026
17.5 °C
Highest 10 January, 2026
40.5 °C
Lowest 25 July, 2026
3.3 °C
Average July
12.3 °C
Highest 2 July, 2026
21.1 °C
Lowest 1 August, 2026
7.1 °C
Average August
12 °C
Highest 3 August, 2026
20.5 °C

Climate (2021–2026)

Terrey Hills (12km)

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Average Low 2021–2026
13.5 °C
Average 2021–2026
17.1 °C
Average High 2021–2026
22 °C

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