Mount Vernon Weather Forecast

    • 8
    • 21

    Possible shower

    • 6
    • 18

    Partly cloudy

    • 4
    • 18

    Mostly sunny

    • 6
    • 19

    Mostly sunny

    • 4
    • 17

    Partly cloudy

    • 5
    • 17

    Sunny

    • 5
    • 18

    Sunny

Today 6 Jul Sydney

Partly cloudy. Medium chance of showers, most likely late this afternoon and evening. The chance of a thunderstorm late this afternoon and evening, possibly severe. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late evening.

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Mount Vernon Temperature Statistics View More

July Temperature

Horsley Park (4km)

  • Lowest 5 July, 2025

    3.5 °C

  • Average July

    11.7 °C

  • Highest 4 July, 2025

    18.8 °C

Climate (2020–Present)

Horsley Park (4km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    23.5 °C
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