St Marys Weather Forecast

    • 20
    • 37

    Mostly sunny

    • 23
    • 28

    Showers increasing

    • 17
    • 23

    Cloudy

    • 18
    • 24

    Possible shower

    • 17
    • 25

    Shower or two

    • 16
    • 26

    Shower or two

    • 16
    • 30

    Mostly sunny

Today 11 Feb Sydney

Mostly sunny. The chance of fog in the west in the early morning. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Marys Temperature Statistics View More

February Temperature

Penrith Lakes (10km)

  • Lowest 3 February, 2026

    15 °C

  • Average February

    23.1 °C

  • Highest 5 February, 2026

    39 °C

Climate (2021–Present)

Penrith Lakes (10km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    17.7 °C

  • Average High 2021–2026

    24.8 °C
Get WillyWeather+ to remove ads