Hornsby Heights Weather Forecast

    • 16
    • 33

    Mostly sunny

    • 14
    • 18

    Showers

    • 12
    • 18

    Cloudy

    • 10
    • 22

    Cloud clearing

    • 10
    • 27

    Sunny

    • 14
    • 31

    Sunny

    • 17
    • 31

    Shower or two

Today 26 Sep Sydney

Partly cloudy. Slight chance of a shower in the late afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds northwest to southwesterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the late afternoon then tending southerly 25 to 35 km/h in the evening.

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Hornsby Heights Temperature Statistics View More

September Temperature

Terrey Hills (12km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.5 °C

  • Highest 21 September, 2026

    32 °C

Climate (2021–2026)

Terrey Hills (12km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    22 °C
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