Dark Bay Weather Forecast

    • 11
    • 22

    Sunny

    • 15
    • 27

    Sunny

    • 17
    • 27

    Sunny

    • 18
    • 26

    Possible late shower

    • 15
    • 18

    Shower or two

    • 15
    • 21

    Possible shower

    • 15
    • 22

    Mostly sunny

Today 18 Sep Sydney

Sunny. Light winds becoming northwest to northeasterly 15 to 20 km/h in the middle of the day then tending northwest to southwesterly in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
West to northwesterly about 10 knots tending north to northeasterly 10 to 15 knots in the early afternoon then tending north to northwesterly in the evening.
Seas
Below 1 metre.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dark Bay Temperature Statistics View More

September Temperature

Sydney Airport (14km)

  • Lowest 17 September, 2026

    9.2 °C

  • Average September

    17.5 °C

  • Highest 5 September, 2026

    32.4 °C

Climate (2021–2026)

Sydney Airport (14km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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