Cowan Creek - Hallets Beach Weather Forecast

    • 14
    • 24

    Possible late shower

    • 16
    • 21

    Possible morning shower

    • 15
    • 23

    Partly cloudy

    • 16
    • 26

    Partly cloudy

    • 17
    • 29

    Shower or two. Possible storm

    • 19
    • 30

    Shower or two

    • 19
    • 27

    Partly cloudy

Today 31 Dec Sydney

Partly cloudy. Medium chance of showers during this afternoon and evening. The chance of a thunderstorm during this afternoon and early evening. Light winds becoming southeasterly 15 to 25 km/h in the middle of the day.

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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Hallets Beach Temperature Statistics View More

December Temperature

Terrey Hills (10km)

  • Lowest 3 December, 2025

    11.3 °C

  • Average December

    20.8 °C

  • Highest 19 December, 2025

    40.2 °C

Climate (2020–Present)

Terrey Hills (10km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    16.9 °C

  • Average High 2020–2025

    21.8 °C
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