Middle Harbour Yacht Club Weather Forecast

    • 22
    • 31

    Partly cloudy

    • 21
    • 33

    Possible shower or storm

    • 23
    • 31

    Shower or two

    • 20
    • 30

    Shower or two

    • 18
    • 29

    Partly cloudy

    • 19
    • 25

    Shower or two

    • 17
    • 24

    Cloudy

Today 20 Dec Sydney

Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming east to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southwesterly about 10 knots tending south to southeasterly 10 to 15 knots in the morning then turning east to northeasterly in the middle of the day.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and early evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle Harbour Yacht Club Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22 °C

  • Highest 5 December, 2025

    37.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (7km)

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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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