Georges River - Sylvania Marina Weather Forecast

    • 16
    • 20

    Possible morning shower

    • 17
    • 22

    Partly cloudy

    • 16
    • 24

    Mostly sunny

    • 18
    • 25

    Partly cloudy

    • 19
    • 23

    Cloudy

    • 19
    • 24

    Cloudy

    • 19
    • 26

    Cloudy

Today 28 Dec Sydney

Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds southwesterly 15 to 25 km/h turning south to southeasterly 25 to 35 km/h in the early morning then becoming south to southwesterly and light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southwesterly 15 to 20 knots tending southerly in the morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Georges River - Sylvania Marina Temperature Statistics View More

December Temperature

Sydney Airport (8km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    23.1 °C

  • Highest 19 December, 2025

    42.6 °C

Climate (2020–Present)

Sydney Airport (8km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.7 °C

  • Average High 2020–2025

    23.4 °C
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