Darling Harbour Weather Forecast

    • 20
    • 31

    Mostly sunny

    • 19
    • 31

    Mostly sunny

    • 19
    • 23

    Shower or two

    • 17
    • 23

    Possible shower

    • 16
    • 24

    Partly cloudy

    • 17
    • 26

    Partly cloudy

    • 17
    • 28

    Sunny

Today 23 Dec Sydney

Slight chance of a shower in the early morning. Mostly sunny day. Light winds becoming south to southwesterly 20 to 30 km/h in the middle of the day then turning southeasterly 25 to 40 km/h in the early afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming southeasterly 15 to 25 knots in the middle of the day then decreasing to about 10 knots in the late evening. Winds may reach up to 30 knots at times.
Seas
Below 0.5 metres.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Darling Harbour Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (0km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.9 °C

  • Highest 19 December, 2025

    42.2 °C

Climate (2020–Present)

Sydney (Observatory Hill) (0km)

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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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