Double Bay Marina Weather Forecast

    • 19
    • 21

    Partly cloudy

    • 19
    • 36

    Becoming windy. Partly cloudy

    • 18
    • 21

    Partly cloudy

    • 16
    • 23

    Sunny

    • 17
    • 23

    Possible shower

    • 20
    • 28

    Shower or two

    • 16
    • 21

    Shower or two. Becoming windy

Today 21 Oct Sydney

Mostly sunny. Slight chance of rain, most likely in the evening. The chance of a thunderstorm in the outer west in the afternoon and evening. Winds north to northwesterly 20 to 30 km/h tending south to southeasterly before dawn then tending east to northeasterly 15 to 25 km/h in the early afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southeasterly 15 to 20 knots shifting north to northeasterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
South to southeasterly winds are occurring behind a trough to the north of Sydney Local Waters. The trough is likely to stall offshore of Sydney today before a strong cold front moving across Sydney during Wednesday afternoon, bringing with it a fresh and gusty southwesterly change. Behind this, a high pressure system is forecast to settle over Sydney on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Double Bay Marina Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (4km)

  • Lowest 3 October, 2025

    12.1 °C

  • Average October

    20.9 °C

  • Highest 17 October, 2025

    32.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (4km)

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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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