St Marys Weather Forecast
- 11
- 27
Partly cloudy
- 12
- 28
Partly cloudy
- 13
- 22
Cloudy
- 13
- 21
Partly cloudy
- 12
- 21
Partly cloudy
- 14
- 22
Shower or two
- 13
- 22
Possible shower
Today 6 May Sydney
Partly cloudy. Light winds becoming northeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening.
St Marys Temperature Statistics View More
May Temperature
Penrith Lakes (10km)
Lowest 4 May, 2025
9.7 °CAverage May
15.9 °CHighest 4 May, 2025
23.4 °C
Climate (2020–Present)
Penrith Lakes (10km)
Average Low 2020–2025
12.4 °CAverage 2020–2025
17.6 °CAverage High 2020–2025
24.7 °C