Willoughby Weather Forecast

    • 19
    • 32

    Windy. Partly cloudy

    • 18
    • 23

    Shower or two

    • 17
    • 23

    Cloudy

    • 18
    • 26

    Partly cloudy

    • 17
    • 29

    Sunny

    • 20
    • 31

    Mostly sunny

    • 21
    • 28

    Shower or two

Today 14 Dec Sydney

Partly cloudy. Slight chance of a shower later tonight. Winds northwest to southwesterly 20 to 30 km/h tending southerly 35 to 55 km/h in the late evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Willoughby Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (6km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.1 °C

  • Highest 5 December, 2025

    37.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (6km)

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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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