Cowan Creek - Jerusalem Bay Weather Forecast

    • 17
    • 31

    Sunny

    • 21
    • 35

    Sunny morning. Possible storm

    • 20
    • 32

    Shower or two. Possible storm

    • 20
    • 32

    Possible shower or storm

    • 22
    • 30

    Shower or two

    • 19
    • 26

    Shower or two

    • 18
    • 28

    Partly cloudy

Today 18 Dec Sydney

Sunny. The chance of fog in the outer west in the early morning. Winds north to northeasterly 15 to 25 km/h tending east to northeasterly 20 to 30 km/h in the early afternoon then tending north to northeasterly 15 to 25 km/h in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northerly 10 to 15 knots tending northeasterly 15 to 20 knots in the morning.
Seas
Below 0.5 metres.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowan Creek - Jerusalem Bay Temperature Statistics View More

December Temperature

Terrey Hills (11km)

  • Lowest 3 December, 2025

    11.3 °C

  • Average December

    20.7 °C

  • Highest 6 December, 2025

    39.9 °C

Climate (2020–Present)

Terrey Hills (11km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    16.9 °C

  • Average High 2020–2025

    21.8 °C
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