Mosman Bay Weather Forecast

    • 9
    • 21

    Sunny

    • 10
    • 19

    Mostly sunny

    • 7
    • 17

    Mostly sunny

    • 8
    • 17

    Possible shower

    • 9
    • 17

    Shower or two

    • 8
    • 20

    Mostly sunny

    • 9
    • 21

    Mostly sunny

Today 28 Jul Sydney

Patchy morning fog. Sunny afternoon. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
West to northwesterly about 10 knots.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
Northwesterly through Tuesday with a high in the Tasman Sea ahead of an approaching cold front.The front is forecast to cross Sydney Waters on Wednesday, with moderate to fresh west to southwesterly winds in its wake. Winds will then turn southerly and gradually ease as another high moves into southeastern Australia later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mosman Bay Temperature Statistics View More

July Temperature

Sydney (Observatory Hill) (3km)

  • Lowest 25 July, 2026

    6.7 °C

  • Average July

    13.8 °C

  • Highest 2 July, 2026

    22.9 °C

Climate (2021–2026)

Sydney (Observatory Hill) (3km)

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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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