Dark Bay Weather Forecast

    • 14
    • 18

    Partly cloudy

    • 11
    • 18

    Becoming windy. Partly cloudy

    • 11
    • 17

    Partly cloudy

    • 13
    • 19

    Partly cloudy

    • 12
    • 21

    Sunny

    • 13
    • 23

    Mostly sunny

    • 15
    • 25

    Sunny

Today 8 Sep Sydney

Cloudy. Slight chance of a shower in the morning. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly in the morning then becoming light in the early afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds becoming variable about 10 knots in the late afternoon.
Seas
2 to 2.5 metres, decreasing below 1.5 metres around midday, then decreasing below 1 metre during the afternoon.
1st Swell
Southerly 1.5 metres, increasing to 2 metres during the morning.
Weather
Partly cloudy. 50% chance of showers in the early morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dark Bay Temperature Statistics View More

September Temperature

Sydney Airport (14km)

  • Lowest 1 September, 2026

    11.5 °C

  • Average September

    19.9 °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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