St Ives Weather Forecast
- 13
- 29
Clear
- 18
- 28
Sunny morning. Shower or two
- 13
- 17
Shower or two
- 14
- 21
Shower or two
- 15
- 22
Mostly sunny
- 14
- 25
Sunny
- 15
- 29
Becoming cloudy
Today 20 Sep Sydney
Clear. Winds westerly 15 to 25 km/h turning northwesterly 15 to 20 km/h in the evening.
St Ives Temperature Statistics View More
September Temperature
Terrey Hills (6km)
Lowest 10 September, 2026
8.1 °CAverage September
15.9 °CHighest 5 September, 2026
30.8 °C
Climate (2021–2026)
Terrey Hills (6km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C