Hornsby Weather Forecast

    • 13
    • 25

    Sunny

    • 13
    • 26

    Partly cloudy

    • 14
    • 28

    Possible shower

    • 17
    • 26

    Shower or two

    • 12
    • 17

    Shower or two

    • 13
    • 20

    Shower or two

    • 14
    • 21

    Shower or two

Today 24 Oct Sydney

Mostly sunny. The chance of fog in the early morning. Slight chance of a shower along the coastal fringe in the evening. Near zero chance of rain elsewhere. Light winds becoming south to southwesterly 15 to 25 km/h in the middle of the day then tending south to southeasterly 25 to 35 km/h in the early afternoon.

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  • Temperature Forecast Bureau of Meteorology

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Hornsby Temperature Statistics View More

October Temperature

Terrey Hills (12km)

  • Lowest 3 October, 2025

    8.6 °C

  • Average October

    19.9 °C

  • Highest 22 October, 2025

    37.2 °C

Climate (2020–Present)

Terrey Hills (12km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    16.9 °C

  • Average High 2020–2025

    21.7 °C
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