Hornsby Heights Weather Forecast
- 16
- 28
Cloud clearing
- 19
- 31
Showers. Storm developing
- 17
- 22
Shower or two
- 13
- 22
Possible shower
- 11
- 25
Sunny
- 12
- 25
Mostly sunny
- 14
- 25
Partly cloudy
Today 24 Oct Sydney
Partly cloudy. Slight chance of a shower, most likely in the afternoon. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming northeasterly 15 to 25 km/h in the early afternoon then becoming light in the late evening.
Hornsby Heights Temperature Statistics View More
October Temperature
Terrey Hills (12 km)
Lowest 15 October, 2026
8.5 °CAverage October
17.5 °CHighest 12 October, 2026
34 °C
Climate (2021–2026)
Terrey Hills (12 km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C