North St Marys Weather Forecast
- 19
- 31
Shower or two
- 19
- 27
Showers. Storm developing
- 19
- 30
Shower or two
- 19
- 24
Showers increasing
- 17
- 25
Showers
- 17
- 26
Showers
- 17
- 25
Shower or two
Today 14 Jan Sydney
Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the west in the afternoon and evening. Light winds becoming northeasterly 15 to 25 km/h in the morning, reaching 25 to 35 km/h near the coast in the afternoon.
North St Marys Temperature Statistics View More
January Temperature
Penrith Lakes (10km)
Lowest 12 January, 2026
16 °CAverage January
23.8 °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