Dark Bay Weather Forecast

    • 15
    • 27

    Sunny

    • 16
    • 28

    Sunny

    • 19
    • 26

    Possible shower developing

    • 15
    • 18

    Shower or two

    • 15
    • 21

    Possible shower

    • 16
    • 23

    Mostly sunny

    • 16
    • 24

    Sunny

Today 19 Sep Sydney

Sunny. Winds west to southwesterly 15 to 25 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Westerly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds becoming variable about 10 knots in the middle of the day then becoming west to northwesterly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southerly 1 to 1.5 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 18 September, 2026

    9.1 °C

  • Average September

    17.4 °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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