Willoughby Weather Forecast

    • 14
    • 22

    Possible shower

    • 14
    • 23

    Possible shower

    • 15
    • 24

    Partly cloudy

    • 15
    • 25

    Mostly sunny

    • 17
    • 25

    Partly cloudy

    • 17
    • 26

    Possible shower

    • 18
    • 29

    Shower or two

Today 18 Oct Sydney

Partly cloudy. The chance of fog in the west in the early morning. Medium chance of showers, most likely in the afternoon. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Willoughby Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (6 km)

  • Lowest 9 October, 2026

    11.7 °C

  • Average October

    18.7 °C

  • Highest 12 October, 2026

    34.8 °C

Climate (2021–2026)

Sydney (Observatory Hill) (6 km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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