Cowan Creek - Challenger Head Weather Forecast

    • 17
    • 22

    Possible shower

    • 11
    • 16

    Becoming windy. Partly cloudy

    • 11
    • 17

    Partly cloudy

    • 11
    • 23

    Sunny

    • 13
    • 26

    Sunny

    • 14
    • 27

    Sunny

    • 18
    • 25

    Sunny

Today 15 Sep Sydney

Cloudy. Slight chance of a shower. Winds southerly 20 to 30 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southerly 15 to 25 knots. Squalls possible with the wind change.
Seas
Below 0.5 metres.
Weather
Cloudy.
Weather Situation
A cold front systems will cross Sydney Waters later today, with fresh to strong, gusty southerly winds and large powerful waves in its wake. Winds and waves will gradually ease from late Thursday onwards as a high pressure system moves across the state later in the week into the weekend, while extending a ridge across the coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Challenger Head Temperature Statistics View More

September Temperature

Terrey Hills (11km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.2 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (11km)

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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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