Cowan Creek - Hallets Beach Weather Forecast

    • 14
    • 17

    Possible shower

    • 13
    • 18

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 11
    • 24

    Sunny

    • 15
    • 29

    Sunny

    • 18
    • 29

    Showers

    • 14
    • 19

    Shower or two

Today 27 Sep Sydney

Cloudy. Slight chance of a shower. Winds south to southeasterly 15 to 20 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 15 to 20 knots. Squalls possible with the wind change.
Seas
Below 0.5 metres.
Weather
Cloudy.
Weather Situation
Fresh to strong south to southeasterly winds lie over Sydney Waters in the wake of a cold front. A ridge of high pressure will build over the coastal waters through the early days of the week, turning winds north to northeasterly over Sydney waters through to midweek.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Hallets Beach Temperature Statistics View More

September Temperature

Terrey Hills (10km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.7 °C

  • Highest 21 September, 2026

    32 °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

    22 °C
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