St Marys Weather Forecast
- 9
- 29
Sunny
- 13
- 30
Sunny day. Late shower or two
- 8
- 23
Sunny
- 8
- 23
Sunny
- 9
- 23
Partly cloudy
- 11
- 21
Partly cloudy
- 10
- 24
Mostly sunny
Today 16 Apr Sydney
Sunny. Patchy fog in the early morning, mainly in the west. Light winds.
St Marys Temperature Statistics View More
April Temperature
Penrith Lakes (10km)
Lowest 13 April, 2026
7.9 °CAverage April
18.7 °CHighest 7 April, 2026
32.6 °C
Climate (2021–Present)
Penrith Lakes (10km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
17.8 °CAverage High 2021–2026
24.9 °C