Killarney Heights Weather Forecast
- 15
- 24
Possible shower
- 15
- 24
Shower or two
- 17
- 24
Showers
- 17
- 25
Possible shower
- 17
- 27
Partly cloudy
- 19
- 27
Showers increasing
- 18
- 25
Shower or two
Today 20 Oct Sydney
Partly cloudy. The chance of fog in the west early this morning. Medium chance of showers, most likely this afternoon. The chance of a thunderstorm during this afternoon and evening. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.
Killarney Heights Temperature Statistics View More
October Temperature
Sydney (Observatory Hill) (9 km)
Lowest 15 October, 2026
10.6 °CAverage October
18.6 °CHighest 12 October, 2026
34.8 °C
Climate (2021–2026)
Sydney (Observatory Hill) (9 km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.5 °CAverage High 2021–2026
23.6 °C