Mort Bay Weather Forecast

    • 8
    • 18

    Mostly clear

    • 9
    • 19

    Mostly sunny

    • 11
    • 17

    Windy. Partly cloudy

    • 8
    • 18

    Sunny

    • 9
    • 20

    Partly cloudy

    • 7
    • 20

    Sunny

    • 11
    • 18

    Cloudy

Today 8 Jul Sydney

Clear. Winds northerly 15 to 20 km/h becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northerly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A cold front will cross the Sydney Waters later tonight through early Wednesday, bringing fresh to strong west to northwesterly winds. This front will be followed by another stronger cold front on Thursday, with strong to gale-force west to southwesterly wind change in its wake. Winds will gradually ease later in the week through the weekend as a new high pressure system drifts across the state.
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  • Temperature Forecast Bureau of Meteorology

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Mort Bay Temperature Statistics View More

July Temperature

Sydney (Observatory Hill) (1km)

  • Lowest 5 July, 2025

    7.7 °C

  • Average July

    13.6 °C

  • Highest 6 July, 2025

    21.9 °C

Climate (2020–Present)

Sydney (Observatory Hill) (1km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.2 °C

  • Average High 2020–2025

    23.4 °C
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