St Marys Weather Forecast
- 13
- 25
Partly cloudy
- 14
- 26
Partly cloudy
- 13
- 24
Showers
- 10
- 25
Sunny
- 8
- 24
Mostly sunny
- 8
- 23
Partly cloudy
- 7
- 20
Sunny
Today 2 May Sydney
Partly cloudy. Slight chance of a shower, becoming less likely in the late afternoon and evening. Winds northeasterly 15 to 25 km/h becoming light in the late evening.
St Marys Temperature Statistics View More
May Temperature
Penrith Lakes (10km)
Lowest 1 May, 2026
12 °CAverage May
15.7 °CHighest
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Climate (2021–Present)
Penrith Lakes (10km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
17.8 °CAverage High 2021–2026
24.9 °C