Cassie Rock Weather Forecast

    • 11
    • 18

    Sunny

    • 12
    • 17

    Possible shower

    • 11
    • 17

    Sunny

    • 10
    • 18

    Possible late shower

    • 14
    • 17

    Showers

    • 13
    • 17

    Shower or two

    • 13
    • 17

    Shower or two

Today 21 Jun Sydney

Mostly sunny. Light winds.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
West to southwesterly 10 to 15 knots decreasing to below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre.
Weather
Sunny.
Weather Situation
A low pressure systems is forming over the southern waters and will move away to the east today. Southerly winds are likely to extend to the northern waters on Monday and persist for the remainder of the week as a ridge of high pressure extends across from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassie Rock Temperature Statistics View More

June Temperature

Terrey Hills (10km)

  • Lowest 6 June, 2026

    6.7 °C

  • Average June

    14.6 °C

  • Highest 10 June, 2026

    21.3 °C

Climate (2021–2026)

Terrey Hills (10km)

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

  • Average Low 2021–2026

    13.5 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    21.9 °C
Get WillyWeather+ to remove ads