Dark Bay Weather Forecast

    • 18
    • 23

    Sunny

    • 13
    • 20

    Cloud clearing

    • 13
    • 24

    Late shower or two

    • 18
    • 21

    Sunny

    • 12
    • 21

    Mostly sunny

    • 13
    • 21

    Mostly sunny

    • 13
    • 19

    Partly cloudy

Today 17 Sep Sydney

Sunny. Light winds becoming west to southwesterly 15 to 25 km/h in the morning.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northwesterly 15 to 20 knots turning west to southwesterly during the morning then tending southeast to southwesterly in the middle of the day.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Northeasterly around 1 metre.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dark Bay Temperature Statistics View More

September Temperature

Sydney Airport (14km)

  • Lowest 1 September, 2025

    9 °C

  • Average September

    17.4 °C

  • Highest 8 September, 2025

    30.1 °C

Climate (2020–Present)

Sydney Airport (14km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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