Mosman Bay Weather Forecast

    • 17
    • 25

    Clear

    • 17
    • 35

    Late shower or two

    • 17
    • 22

    Showers

    • 13
    • 19

    Possible shower

    • 13
    • 20

    Shower or two

    • 14
    • 21

    Showers

    • 15
    • 22

    Showers

Today 11 Oct Sydney

Clear. Winds east to northeasterly 15 to 20 km/h becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Easterly 10 to 15 knots turning north to northeasterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Clear.
Weather Situation
A fresh southerly change looks set to arrive late Monday night or early Tuesday morning as a cold front moves along the coast. Winds are expected to ease from Wednesday and gradually turn northerly during the second half of the week, as a high pressure system reaches the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mosman Bay Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (3 km)

  • Lowest 9 October, 2026

    11.7 °C

  • Average October

    18.6 °C

  • Highest 1 October, 2026

    30.1 °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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