Port Jackson Weather Forecast

    • 17
    • 21

    Mostly clear

    • 17
    • 23

    Becoming windy. Mostly sunny

    • 18
    • 30

    Sunny

    • 19
    • 22

    Sunny

    • 19
    • 36

    Becoming windy. Mostly sunny

    • 19
    • 22

    Possible shower

    • 16
    • 21

    Shower or two

Today 18 Oct Sydney

Partly cloudy. Winds easterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Easterly 15 to 20 knots.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
The winds are east to southeasterly about the local waters today with a high pressure system moving through western and southern New South Wales and a low pressure trough over the state's northeast. On Sunday, the winds tend gusty north to northeasterly in the afternoon and evening as the trough weakens and the high moves over the Tasman Sea. The next trough will bring a southerly change to Sydney either late Monday or early Tuesday.
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  • Temperature Forecast Bureau of Meteorology

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Port Jackson Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (8km)

  • Lowest 3 October, 2025

    12.1 °C
  • Average October

    21.1 °C
  • Highest 6 October, 2025

    31.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (8km)

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  • Average Low 2020–2025

    14.7 °C
  • Average 2020–2025

    18.3 °C
  • Average High 2020–2025

    23.4 °C
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