North St Marys Weather Forecast

    • 21
    • 41

    Possible storm

    • 21
    • 27

    Shower or two

    • 16
    • 31

    Cloudy

    • 17
    • 38

    Sunny

    • 19
    • 30

    Shower or two developing

    • 17
    • 23

    Shower or two

    • 15
    • 24

    Shower or two

Today 6 Dec Sydney

Partly cloudy. Slight chance of a shower. The chance of smoke haze. The chance of a thunderstorm in the afternoon and early evening, possibly severe with damaging winds. Winds north to northwesterly 20 to 30 km/h tending west to northwesterly 15 to 20 km/h in the late evening.

Extreme Fire Danger Rating

Take action now to protect life and property
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

North St Marys Temperature Statistics View More

December Temperature

Penrith Lakes (10km)

  • Lowest 1 December, 2025

    11.3 °C

  • Average December

    21.4 °C

  • Highest 4 December, 2025

    37 °C

Climate (2020–Present)

Penrith Lakes (10km)

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  • Average Low 2020–2025

    12.5 °C

  • Average 2020–2025

    17.7 °C

  • Average High 2020–2025

    24.7 °C
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