Middle Harbour - Roseville Bridge Marina Weather Forecast

    • 17
    • 28

    Possible storm

    • 19
    • 25

    Shower or two

    • 17
    • 25

    Shower or two

    • 18
    • 27

    Showers. Storm

    • 17
    • 25

    Partly cloudy

    • 16
    • 23

    Partly cloudy

    • 15
    • 24

    Mostly sunny

Today 31 Oct Sydney

Partly cloudy. High chance of showers, becoming less likely later tonight. The chance of a thunderstorm. Winds northerly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

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  • Temperature Forecast Bureau of Meteorology

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Middle Harbour - Roseville Bridge Marina Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (9 km)

  • Lowest 15 October, 2026

    10.6 °C

  • Average October

    19.1 °C

  • Highest 12 October, 2026

    34.8 °C

Climate (2021–2026)

Sydney (Observatory Hill) (9 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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