Hornsby Weather Forecast
- 13
- 25
Sunny
- 13
- 23
Possible shower
- 14
- 27
Shower or two
- 14
- 20
Possible shower
- 12
- 21
Cloudy
- 11
- 23
Sunny
- 12
- 27
Shower or two
Today 4 Oct Sydney
Sunny. Light winds becoming southeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening.
Hornsby Temperature Statistics View More
October Temperature
Terrey Hills (12km)
Lowest 1 October, 2026
16 °CAverage October
19.5 °CHighest 1 October, 2026
28.8 °C
Climate (2021–2026)
Terrey Hills (12km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C