Collaroy Weather Forecast

    • 19
    • 22

    Showers. Possible storm

    • 19
    • 25

    Shower or two

    • 20
    • 30

    Possible shower

    • 19
    • 20

    Shower or two

    • 18
    • 21

    Cloudy

    • 19
    • 25

    Partly cloudy

    • 18
    • 27

    Sunny

Today 12 Dec Sydney

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 south to southeasterly 15 to 20 km/h turning easterly 15 to 25 km/h during the morning then becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Collaroy Temperature Statistics View More

December Temperature

Terrey Hills (8km)

  • Lowest 3 December, 2025

    11.3 °C
  • Average December

    21.5 °C
  • Highest 6 December, 2025

    39.9 °C

Climate (2020–Present)

Terrey Hills (8km)

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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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