Sylvania Waters Weather Forecast

    • 20
    • 24

    Partly cloudy

    • 20
    • 25

    Partly cloudy

    • 20
    • 29

    Sunny

    • 21
    • 32

    Sunny

    • 21
    • 32

    Becoming windy. Sunny

    • 23
    • 37

    Becoming windy. Sunny

    • 21
    • 23

    Cloudy

Today 5 Jan Sydney

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the outer west in the afternoon and early evening. Winds southerly 15 to 20 km/h turning southeasterly 15 to 25 km/h in the middle of the day.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 10 to 15 knots turning southerly in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
Onshore south to southeasterly winds persist over Sydney Waters in the wake of a trough early this morning. Winds will gradually turn northeasterly from Tuesday onwards and continue freshening mid to late this week as a slow-moving high pressure system strengthens over the Tasman Sea while extending a ridge to the coastal areas.
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  • Temperature Forecast Bureau of Meteorology

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Sylvania Waters Temperature Statistics View More

January Temperature

Sydney Airport (9km)

  • Lowest 2 January, 2026

    17.2 °C

  • Average January

    21.1 °C

  • Highest 3 January, 2026

    26.5 °C

Climate (2021–Present)

Sydney Airport (9km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.7 °C

  • Average High 2021–2026

    23.4 °C
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