North St Marys Weather Forecast
- 15
- 33
Sunny
- 18
- 40
Mostly sunny
- 20
- 30
Partly cloudy
- 17
- 31
Cloud clearing
- 17
- 36
Sunny
- 19
- 33
Mostly sunny
- 19
- 36
Mostly sunny
Today 24 Jan Sydney
Sunny. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.
North St Marys Temperature Statistics View More
January Temperature
Penrith Lakes (10km)
Lowest 21 January, 2026
15.9 °CAverage January
22.8 °CHighest 9 January, 2026
42.5 °C
Climate (2021–Present)
Penrith Lakes (10km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
17.7 °CAverage High 2021–2026
24.8 °C