Dark Bay Weather Forecast

    • 15
    • 18

    Showers increasing

    • 16
    • 20

    Showers easing

    • 17
    • 22

    Partly cloudy

    • 16
    • 24

    Sunny

    • 17
    • 27

    Becoming cloudy

    • 16
    • 21

    Cloudy

    • 14
    • 22

    Partly cloudy

Today 22 Sep Sydney

Cloudy. Very high chance of showers, most likely in the afternoon and evening. Winds southerly 15 to 25 km/h turning east to southeasterly 15 to 20 km/h during the day.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southeasterly 15 to 20 knots turning easterly in the middle of the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
1st Swell
Southerly 1.5 to 2.5 metres, decreasing to 1.5 metres during the afternoon.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A fresh and gusty southerly change over the coastal waters will reach QLD this morning. A high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly from Wednesday and freshen along the southern and central coastal waters.
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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

    18.2 °C

  • Highest 20 September, 2026

    32.7 °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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