Collaroy Beach Weather Forecast

    • 18
    • 29

    Mostly sunny

    • 19
    • 22

    Mostly sunny

    • 19
    • 38

    Becoming windy. Partly cloudy

    • 17
    • 21

    Partly cloudy

    • 16
    • 22

    Mostly sunny

    • 17
    • 23

    Partly cloudy

    • 19
    • 27

    Shower or two

Today 20 Oct Sydney

Mostly sunny. Light winds becoming west to northwesterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
Strong northerly winds along the coast will shift southerly over the southern waters as a trough moves through later today. The southerly change will reaching central parts of the coast Tuesday morning, before weakening late Tuesday.
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  • Temperature Forecast Bureau of Meteorology

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Collaroy Beach Temperature Statistics View More

October Temperature

Terrey Hills (8km)

  • Lowest 3 October, 2025

    8.6 °C
  • Average October

    19.5 °C
  • Highest 17 October, 2025

    31.5 °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

    21.7 °C
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