Bongin Bongin Bay Weather Forecast

    • 14
    • 22

    Early smoke then mostly sunny

    • 15
    • 25

    Possible shower developing

    • 17
    • 22

    Possible late shower

    • 12
    • 16

    Possible shower

    • 11
    • 17

    Shower or two

    • 11
    • 20

    Sunny

    • 12
    • 24

    Sunny

Today 13 Sep Sydney

Patchy fog in the early morning. The chance of smoke haze in the morning and later in the evening. Mostly sunny afternoon. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bongin Bongin Bay Temperature Statistics View More

September Temperature

Terrey Hills (8km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    15.9 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (8km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    21.9 °C
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