St Marys Weather Forecast

    • 18
    • 34

    Thick morning fog then sunny

    • 19
    • 29

    Becoming cloudy

    • 17
    • 23

    Cloudy

    • 15
    • 26

    Partly cloudy

    • 15
    • 30

    Sunny

    • 18
    • 31

    Shower or two developing

    • 20
    • 27

    Shower or two

Today 11 Mar Sydney

Areas of morning fog in the far west. Sunny afternoon. Winds northwest to northeasterly 15 to 25 km/h tending east to northeasterly in the late afternoon then tending north to northeasterly in the evening.

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  • Temperature Forecast Bureau of Meteorology

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St Marys Temperature Statistics View More

March Temperature

Penrith Lakes (10km)

  • Lowest 9 March, 2026

    18.9 °C

  • Average March

    23.3 °C

  • Highest 6 March, 2026

    31.4 °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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