Galston Weather Forecast
- 18
- 33
Cloudy
- 13
- 18
Showers increasing
- 14
- 22
Showers
- 14
- 24
Partly cloudy
- 13
- 27
Sunny
- 14
- 30
Mostly sunny
- 15
- 23
Cloudy
Today 21 Sep Sydney
Cloudy. Slight chance of a shower. Winds southerly 20 to 30 km/h.
Galston Temperature Statistics View More
September Temperature
Parramatta North (Masons Drive) (15km)
Lowest 18 September, 2026
6 °CAverage September
17.5 °CHighest 5 September, 2026
32.2 °C
Climate (2021–2026)
Parramatta North (Masons Drive) (15km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.7 °C