Dark Bay Weather Forecast

    • 22
    • 34

    Mostly sunny

    • 22
    • 28

    Shower or two

    • 21
    • 34

    Possible shower or storm

    • 23
    • 28

    Possible shower

    • 20
    • 29

    Possible shower

    • 20
    • 27

    Possible shower

    • 20
    • 23

    Shower or two

Today 19 Dec Sydney

Sunny morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming southeast to southwesterly 15 to 20 km/h in the middle of the day.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore early in the morning. Winds tending northwesterly 10 to 15 knots in the morning then becoming variable about 10 knots in the middle of the day.
Seas
1 to 2 metres, decreasing below 1 metre during the morning.
1st Swell
Northeasterly around 1 metre.
Weather
Sunny morning. The chance of a thunderstorm inshore in the afternoon and early evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dark Bay Temperature Statistics View More

December Temperature

Sydney Airport (14km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    22.5 °C

  • Highest 6 December, 2025

    39.2 °C

Climate (2020–Present)

Sydney Airport (14km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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