Dark Bay Weather Forecast

    • 17
    • 28

    Sunny

    • 19
    • 26

    Shower or two. Becoming windy

    • 15
    • 17

    Shower or two

    • 15
    • 21

    Shower or two

    • 16
    • 22

    Partly cloudy

    • 16
    • 24

    Sunny

    • 17
    • 26

    Mostly sunny

Today 20 Sep Sydney

Sunny. Winds northwest to southwesterly 15 to 20 km/h tending north to northwesterly in the morning then tending west to northwesterly 15 to 25 km/h in the early afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Westerly 10 to 15 knots tending northwest to northeasterly in the middle of the day then tending northwesterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
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 18 September, 2026

    9.1 °C

  • Average September

    17.6 °C

  • Highest 5 September, 2026

    32.4 °C

Climate (2021–2026)

Sydney Airport (14km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
Get WillyWeather+ to remove ads