Clontarf Marina Weather Forecast

    • 16
    • 26

    Possible late shower

    • 18
    • 24

    Possible morning shower

    • 17
    • 25

    Partly cloudy

    • 18
    • 28

    Partly cloudy

    • 19
    • 30

    Possible shower or storm

    • 21
    • 30

    Shower or two

    • 20
    • 28

    Partly cloudy

Today 31 Dec Sydney

Becoming cloudy. Medium chance of showers in the afternoon and evening. The chance of a thunderstorm in the outer west in the afternoon and evening. Winds southeasterly 15 to 25 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming southeasterly 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough will brush the coast early this morning, bringing a surge of fresh southerly winds over Sydney local waters, followed by another ridge extending from a high passing to the south of the state, gradually turning winds northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Clontarf Marina Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.2 °C

  • Highest 19 December, 2025

    42.2 °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

    23.5 °C
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