Mosman Bay Marina Weather Forecast

    • 17
    • 22

    Partly cloudy

    • 15
    • 25

    Sunny

    • 15
    • 25

    Partly cloudy

    • 16
    • 28

    Possible shower

    • 17
    • 26

    Shower or two

    • 14
    • 19

    Showers increasing

    • 14
    • 21

    Showers

Today 23 Oct Sydney

Mostly clear. Winds easterly 15 to 25 km/h becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 10 to 15 knots turning east to northeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
South to southwesterly winds will weaken and shift east to southeasterly this afternoon as a high pressure ridge spreads across New South Wales. This ridge will persist through Saturday when winds will turn northeasterly then northwesterly ahead of the next cold front which will cross the state Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mosman Bay Marina Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (3km)

  • Lowest 3 October, 2025

    12.1 °C

  • Average October

    21 °C

  • Highest 20 October, 2025

    36 °C

Climate (2020–Present)

Sydney (Observatory Hill) (3km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    23.4 °C
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