St Marys Weather Forecast

    • 23
    • 27

    Shower or two

    • 17
    • 24

    Cloudy

    • 17
    • 25

    Shower or two

    • 17
    • 25

    Shower or two

    • 17
    • 27

    Shower or two

    • 16
    • 31

    Partly cloudy

    • 18
    • 36

    Possible shower

Today 12 Feb Sydney

Cloudy. Medium chance of showers, becoming less likely later tonight. Winds southerly 30 to 45 km/h decreasing to 20 to 30 km/h in the late evening.

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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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