Mount Vernon Weather Forecast

    • 21
    • 41

    Possible storm. Evening cool change

    • 18
    • 29

    Partly cloudy

    • 16
    • 32

    Sunny

    • 18
    • 29

    Cloudy

    • 19
    • 31

    Shower or two

    • 20
    • 31

    Cloudy

    • 19
    • 27

    Possible shower

Today 27 Dec Sydney

Partly cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe in the afternoon and evening. Winds northwest to northeasterly 25 to 40 km/h tending northwesterly in the middle of the day then shifting cooler southerly 20 to 30 km/h in the late afternoon and early 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

Mount Vernon Temperature Statistics View More

December Temperature

Horsley Park (4km)

  • Lowest 24 December, 2024

    11.5 °C

  • Average December

    22.9 °C

  • Highest 17 December, 2024

    39.9 °C

Climate (2019–Present)

Horsley Park (4km)

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  • Average Low 2019–2024

    12.2 °C

  • Average 2019–2024

    17.1 °C

  • Average High 2019–2024

    23.5 °C
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