Mort Bay Weather Forecast

    • 15
    • 23

    Shower or two

    • 16
    • 27

    Shower or two

    • 15
    • 20

    Shower or two

    • 14
    • 21

    Cloudy

    • 12
    • 23

    Sunny

    • 15
    • 28

    Shower or two

    • 17
    • 26

    Possible shower

Today 5 Oct Sydney

Partly cloudy. Medium chance of showers, becoming less likely late this afternoon and evening. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southwesterly below 10 knots becoming easterly in the early afternoon then becoming north to northeasterly in the late evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure ridge will remain overhead through to late Tuesday as a cold front crosses the coast, bringing a gusty southerly change through early Wednesday morning, followed by another ridge in its wake later this week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mort Bay Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (1 km)

  • Lowest 4 October, 2026

    13.4 °C

  • Average October

    19.3 °C

  • Highest 1 October, 2026

    30.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (1 km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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