Phillip Bay Weather Forecast

    • 21
    • 36

    Cloudy

    • 24
    • 31

    Possible shower

    • 20
    • 30

    Mostly sunny

    • 19
    • 29

    Partly cloudy

    • 19
    • 24

    Shower or two

    • 17
    • 24

    Partly cloudy

    • 17
    • 24

    Partly cloudy

Today 21 Dec Sydney

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
North to northwesterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A high in the Tasman Sea is directing northerly winds over Sydney local waters. A cold front will bring a fresh south to southeasterly change on Monday, followed by a second south to southeasterly change on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

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Phillip Bay Temperature Statistics View More

December Temperature

Sydney Airport (6km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    23.1 °C

  • Highest 19 December, 2025

    42.6 °C

Climate (2020–Present)

Sydney Airport (6km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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