Cowan Creek - Hallets Beach Weather Forecast

    • 8
    • 19

    Clear

    • 7
    • 21

    Mostly sunny

    • 11
    • 23

    Mostly sunny

    • 10
    • 17

    Partly cloudy

    • 10
    • 17

    Cloudy

    • 9
    • 20

    Sunny

    • 12
    • 24

    Shower or two

Today 2 Sep Sydney

Partly cloudy. Slight chance of a shower in the late morning and afternoon. Light winds becoming northeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming northeasterly 10 to 15 knots in the afternoon then turning north to northwesterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system with its centre near South Australia is extending a ridge across the state, and this ridge will be the dominant feature for the next couple of days as its centre slowly moves eastwards. A trough is forecast to brush the south and along the coast mid to late this week, and this system will be followed by another high pressure ridge drifting across the state during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Hallets Beach Temperature Statistics View More

September Temperature

Terrey Hills (10km)

  • Lowest 1 September, 2025

    7 °C

  • Average September

    11.1 °C

  • Highest

    –

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

    21.7 °C
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