Rose Bay Marina Weather Forecast

    • 14
    • 22

    Sunny

    • 16
    • 29

    Windy. Partly cloudy

    • 15
    • 22

    Sunny

    • 13
    • 21

    Shower or two

    • 14
    • 18

    Possible shower

    • 13
    • 18

    Shower or two

    • 13
    • 18

    Cloud clearing

Today 4 Sep Sydney

Sunny. Winds west to southwesterly 15 to 25 km/h tending northwest to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Westerly 10 to 15 knots shifting east to northeasterly in the middle of the day then becoming variable about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
North to northwesterly ahead of a trough and associated cold front crossing the Sydney Waters during the late morning, driving westerly winds in its wake. North to northwesterly winds are forecast to redevelop ahead of a series of fronts crossing the waters during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rose Bay Marina Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (4km)

  • Lowest 1 September, 2026

    10.6 °C

  • Average September

    20.4 °C

  • Highest 2 September, 2026

    27.8 °C

Climate (2021–2026)

Sydney (Observatory Hill) (4km)

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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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