Rossmore Weather Forecast
- 13
- 30
Possible storm
- 13
- 34
Partly cloudy
- 13
- 18
Showers
- 11
- 19
Possible shower
- 9
- 22
Partly cloudy
- 9
- 27
Sunny
- 11
- 31
Sunny
Today 25 Sep Sydney
Partly cloudy. The chance of a thunderstorm in the afternoon and evening. Winds northeasterly 15 to 25 km/h becoming light in the evening.
Rossmore Temperature Statistics View More
September Temperature
Badgerys Creek (5km)
Lowest 18 September, 2026
2.7 °CAverage September
15.8 °CHighest 20 September, 2026
33.8 °C
Climate (2021–2026)
Badgerys Creek (5km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
17.2 °CAverage High 2021–2026
24.5 °C