Collaroy Beach Weather Forecast

    • 14
    • 22

    Sunny

    • 15
    • 25

    Shower or two

    • 16
    • 22

    Possible late shower

    • 12
    • 16

    Possible shower

    • 11
    • 17

    Shower or two

    • 11
    • 21

    Sunny

    • 12
    • 24

    Sunny

Today 13 Sep Sydney

Mostly sunny day. The chance of smoke haze at night. Winds northeasterly 15 to 25 km/h becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
Southerly 1.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system will drift across the Tasman Sea this weekend, causing winds to turn northeasterly. Northerly winds are expected to increase on Monday before turning southerly in the far south. This southerly change will continue to move north along the coast on Tuesday and strengthen.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Collaroy Beach Temperature Statistics View More

September Temperature

Terrey Hills (8km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    15.9 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (8km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    21.9 °C
Get WillyWeather+ to remove ads