St Marys Weather Forecast

    • 20
    • 23

    Showers

    • 19
    • 27

    Shower or two

    • 19
    • 27

    Shower or two

    • 18
    • 30

    Possible shower

    • 19
    • 28

    Partly cloudy

    • 19
    • 31

    Mostly sunny

    • 20
    • 32

    Partly cloudy

Today 27 Feb Sydney

Cloudy. Very high chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly 15 to 25 km/h in the late morning and early afternoon.

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St Marys Temperature Statistics View More

February Temperature

Penrith Lakes (10km)

  • Lowest 3 February, 2026

    15 °C

  • Average February

    23.3 °C

  • Highest 5 February, 2026

    39 °C

Climate (2021–Present)

Penrith Lakes (10km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    17.8 °C

  • Average High 2021–2026

    24.8 °C
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