The University Of Sydney Weather Forecast

    • 19
    • 26

    Possible shower

    • 17
    • 26

    Possible shower

    • 19
    • 31

    Mostly sunny

    • 19
    • 26

    Possible shower

    • 19
    • 23

    Shower or two

    • 18
    • 24

    Showers

    • 19
    • 27

    Shower or two

Today 7 Dec Sydney

Cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the early morning. Winds northwesterly 15 to 25 km/h shifting southeasterly 25 to 40 km/h during the morning then decreasing to 15 to 25 km/h in the evening.

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December Temperature

Sydney (Observatory Hill) (3km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.5 °C

  • Highest 5 December, 2025

    37.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (3km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    23.4 °C
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