St Marys Weather Forecast

    • 23
    • 29

    Shower or two

    • 17
    • 24

    Cloudy

    • 17
    • 25

    Possible shower

    • 17
    • 25

    Shower or two

    • 17
    • 27

    Shower or two

    • 16
    • 31

    Partly cloudy

    • 17
    • 35

    Partly cloudy

Today 12 Feb Sydney

Partly cloudy. Medium chance of showers. The chance of a thunderstorm during the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the outer west. Winds south to southeasterly 30 to 45 km/h.

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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

    17.7 °C

  • Average High 2021–2026

    24.8 °C
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