Mosman Bay Marina Weather Forecast

    • 19
    • 30

    Shower or two. Possible storm

    • 16
    • 22

    Shower or two

    • 14
    • 23

    Shower or two

    • 13
    • 24

    Partly cloudy

    • 14
    • 24

    Sunny

    • 15
    • 25

    Partly cloudy

    • 17
    • 27

    Possible shower

Today 25 Oct Sydney

Partly cloudy. Medium chance of showers. A thunderstorm likely, possibly severe with damaging winds and heavy rain which may lead to flash flooding. Winds north to northwesterly 15 to 20 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northwesterly 10 to 15 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm with possible squalls.
Weather Situation
Fresh northerly winds flow over Sydney waters ahead of a strong cold front and trough that will cross the Sydney waters on Monday morning. The cold front will bring fresh winds at times, and be followed by a new ridge from Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mosman Bay Marina Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (3 km)

  • Lowest 15 October, 2026

    10.6 °C

  • Average October

    18.9 °C

  • Highest 12 October, 2026

    34.8 °C

Climate (2021–2026)

Sydney (Observatory Hill) (3 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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