Cockle Bay Marina Weather Forecast

    • 11
    • 24

    Late shower or two

    • 16
    • 22

    Sunny

    • 9
    • 22

    Sunny

    • 11
    • 23

    Shower or two developing

    • 10
    • 18

    Shower or two

    • 11
    • 21

    Mostly sunny

    • 11
    • 25

    Mostly sunny

Today 19 Sep Sydney

Mostly sunny day. Medium chance of showers in the late afternoon and evening. Light winds becoming north to northeasterly 15 to 20 km/h in the middle of the day then tending north to northwesterly in the early afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
West to northwesterly below 10 knots tending north to northeasterly 10 to 15 knots in the middle of the day then becoming north to northwesterly about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Mostly sunny day. 60% chance of showers in the late afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cockle Bay Marina Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (1km)

  • Lowest 1 September, 2025

    9.3 °C

  • Average September

    17 °C

  • Highest 8 September, 2025

    29 °C

Climate (2020–Present)

Sydney (Observatory Hill) (1km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.2 °C

  • Average High 2020–2025

    23.4 °C
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