Hawkesbury River - Alison Point Weather Forecast

    • 16
    • 23

    Showers. Possible storm

    • 15
    • 28

    Shower or two

    • 17
    • 34

    Possible shower

    • 17
    • 22

    Shower or two

    • 16
    • 22

    Cloudy

    • 15
    • 27

    Partly cloudy

    • 15
    • 29

    Sunny

Today 12 Dec Central Coast

Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding in the morning and early afternoon. Winds east to southeasterly 15 to 20 km/h turning northeasterly in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
East to southeasterly 10 to 15 knots turning northeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
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  • Temperature Forecast Bureau of Meteorology

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Hawkesbury River - Alison Point Temperature Statistics View More

December Temperature

Terrey Hills (18km)

  • Lowest 3 December, 2025

    11.3 °C

  • Average December

    21.4 °C

  • Highest 6 December, 2025

    39.9 °C

Climate (2020–Present)

Terrey Hills (18km)

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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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