Parramatta River - Wallumatta Bay Weather Forecast

    • 17
    • 23

    Cloudy

    • 17
    • 28

    Partly cloudy

    • 17
    • 35

    Sunny

    • 21
    • 36

    Partly cloudy

    • 21
    • 34

    Shower or two. Possible storm

    • 21
    • 36

    Shower or two. Possible storm

    • 20
    • 34

    Possible shower

Today 16 Dec Sydney

Cloudy. Slight chance of a shower in the morning and early afternoon. Light winds becoming easterly 15 to 25 km/h in the middle of the day.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Easterly 10 to 15 knots.
Seas
Below 0.5 metres.
Weather
Cloudy.
Weather Situation
A high in the Bight is extending a ridge across the coastal waters while heading eastwards. The system will move east across southeast Australia and reach the Tasman Sea by late today or Wednesday, linger for a day or two before weakening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Parramatta River - Wallumatta Bay Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (6km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.2 °C

  • Highest 5 December, 2025

    37.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (6km)

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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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