Cowan Creek - Hallets Beach Weather Forecast

    • 9
    • 19

    Mostly clear

    • 11
    • 18

    Partly cloudy

    • 9
    • 20

    Sunny

    • 10
    • 20

    Mostly sunny

    • 11
    • 24

    Sunny

    • 14
    • 25

    Partly cloudy

    • 15
    • 24

    Mostly sunny

Today 28 Aug Sydney

Mostly clear. Winds southeasterly 15 to 25 km/h tending southerly 15 to 20 km/h in the evening then becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 10 to 15 knots turning southerly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system is slowly moving across the state today and over the weekend, entering the Sydney Waters on Monday. Then, a cold front is forecast to move across the Sydney Waters on Tuesday, bringing gusty westerly winds in its wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Hallets Beach Temperature Statistics View More

August Temperature

Terrey Hills (10km)

  • Lowest 5 August, 2026

    4.6 °C

  • Average August

    13.1 °C

  • Highest 20 August, 2026

    22.4 °C

Climate (2021–2026)

Terrey Hills (10km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    21.9 °C
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