Bundeena Bay Weather Forecast

    • 17
    • 22

    Partly cloudy

    • 17
    • 25

    Sunny

    • 17
    • 28

    Mostly sunny

    • 16
    • 19

    Shower or two

    • 15
    • 20

    Shower or two

    • 15
    • 21

    Partly cloudy

    • 15
    • 24

    Mostly sunny

Today 24 Sep Sydney

Partly cloudy. The chance of fog in the west in the early morning. Slight chance of a shower. The chance of a thunderstorm in the west in the afternoon and evening. Winds northeasterly 15 to 20 km/h becoming light before dawn then becoming northeasterly 20 to 30 km/h in the morning.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northeasterly 15 to 25 knots, reaching up to 30 knots offshore in the late afternoon. Winds tending northerly 20 to 25 knots in the late evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bundeena Bay Temperature Statistics View More

September Temperature

Sydney Airport (15km)

  • Lowest 18 September, 2026

    9.1 °C

  • Average September

    17.9 °C

  • Highest 20 September, 2026

    32.7 °C

Climate (2021–2026)

Sydney Airport (15km)

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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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