Cowan Creek - Castle Bay Weather Forecast

    • 20
    • 30

    Mostly clear

    • 21
    • 29

    Showers increasing. Smoke

    • 16
    • 21

    Windy. Cloudy

    • 17
    • 23

    Cloudy

    • 16
    • 27

    Sunny

    • 17
    • 30

    Partly cloudy

    • 20
    • 27

    Cloudy

Today 31 Jan Sydney

Partly cloudy. The chance of a thunderstorm in the outer west in the afternoon and evening. The chance of smoke haze in the evening. Winds east to northeasterly 15 to 25 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly 15 to 20 knots.
Seas
Below 0.5 metres.
Weather
Mostly sunny. Possible smoke with reduced visibility during the evening.
Weather Situation
A ridge extends from a high situated in the Tasman Sea, maintaining northeasterly winds. The ridge will weaken on Sunday ahead of a southerly change that will move north along the coast, reaching the Sydney local waters in the late morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Castle Bay Temperature Statistics View More

January Temperature

Terrey Hills (9km)

  • Lowest 21 January, 2026

    14.6 °C

  • Average January

    21.2 °C

  • Highest 10 January, 2026

    40.5 °C

Climate (2021–Present)

Terrey Hills (9km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    16.9 °C

  • Average High 2021–2026

    21.8 °C
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