Georges River - Sylvania Marina Weather Forecast

    • 9
    • 18

    Sunny

    • 9
    • 16

    Sunny

    • 9
    • 17

    Mostly sunny

    • 10
    • 18

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 12
    • 20

    Mostly sunny

    • 12
    • 21

    Sunny day. Possible shower

Today 17 Jun Sydney

Sunny. Patches of frost and the chance of fog in the west this morning. Light winds becoming west to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
West to northwesterly about 5 to 10 knots, shifting west to southwesterly 10 to 15 knots this evening.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A cold front and its associated trough are forecast to cross the Sydney Waters this evening, bringing a west to southwesterly wind change in its wake. Winds will ease and generally become light mid to late this week as a strong high pressure system slowly drifts across the state. A series of cold fronts will then cross the coastal waters early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Georges River - Sylvania Marina Temperature Statistics View More

June Temperature

Sydney Airport (8km)

  • Lowest 16 June, 2025

    6.6 °C

  • Average June

    12.6 °C

  • Highest 1 June, 2025

    21.2 °C

Climate (2020–Present)

Sydney Airport (8km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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