Parramatta River - Blackwall Point Weather Forecast

    • 19
    • 30

    Partly cloudy

    • 19
    • 26

    Shower or two

    • 19
    • 23

    Showers. Possible storm

    • 19
    • 24

    Showers

    • 18
    • 28

    Shower or two developing

    • 20
    • 31

    Partly cloudy

    • 19
    • 25

    Shower or two

Today 9 Dec Sydney

Partly cloudy. Slight chance of a shower along the coastal fringe in the evening. Near zero chance of rain elsewhere. Winds southeasterly 25 to 35 km/h turning southerly in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
East to southeasterly 10 to 15 knots turning southerly 20 to 30 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough moves up southern and central parts of the coast today, bringing a fresh to strong southerly change to Sydney Waters with it, before anchoring about the Hunter or Sydney coast, and weakening later in the week. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to coastal waters, turning northerly over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Parramatta River - Blackwall Point Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (6km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.4 °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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