Cowan Creek - Jerusalem Bay Weather Forecast

    • 18
    • 24

    Shower or two

    • 18
    • 21

    Showers. Possible storm

    • 17
    • 21

    Showers. Possible storm

    • 16
    • 28

    Shower or two. Possible storm

    • 17
    • 30

    Partly cloudy

    • 18
    • 22

    Shower or two

    • 16
    • 22

    Cloudy

Today 10 Dec Sydney

Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm in the evening. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly 20 to 30 km/h in the middle of the day then tending south to southeasterly 15 to 25 km/h in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 10 to 15 knots tending southerly in the late evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 50% chance of showers. The chance of a thunderstorm later this evening.
Weather Situation
Southerly winds persisting about Sydney Waters as a trough stalls off the Hunter and Sydney coast. Winds will tend east to northeasterly from Thursday as a high pressure system gradually drifts into the Tasman Sea, with winds turning northerly over the weekend. The next southerly change is expected during Sunday and Monday.
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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

    21.7 °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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