Georges River - Sylvania Marina Weather Forecast

    • 19
    • 29

    Becoming windy. Partly cloudy

    • 19
    • 20

    Possible shower

    • 18
    • 20

    Cloudy

    • 19
    • 24

    Partly cloudy

    • 19
    • 28

    Sunny

    • 21
    • 30

    Mostly sunny

    • 21
    • 28

    Shower or two

Today 14 Dec Sydney

Partly cloudy. Slight chance of a shower at night. Winds west to northwesterly 20 to 30 km/h shifting southerly 35 to 55 km/h in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northwesterly 15 to 20 knots tending north to northeasterly in the late afternoon then tending southerly 20 to 30 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough and gusty wind change will cross the Sydney waters this evening. A ridge will extend over the Sydney waters on Monday, maintained a by a high that will move east across southeast Australia on Tuesday.
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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

    22.5 °C

  • Highest 6 December, 2025

    39.2 °C

Climate (2020–Present)

Sydney Airport (8km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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