Cassie Rock Weather Forecast

    • 15
    • 18

    Showers easing

    • 15
    • 17

    Cloudy

    • 11
    • 18

    Mostly sunny

    • 13
    • 18

    Partly cloudy

    • 13
    • 18

    Mostly sunny

    • 12
    • 19

    Cloud clearing

    • 13
    • 24

    Sunny

Today 26 Aug Sydney

Partly cloudy. High chance of showers. The chance of a thunderstorm in the morning and afternoon. Light winds becoming southerly 20 to 30 km/h in the morning then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northwesterly 10 to 15 knots shifting southerly 15 to 20 knots in the morning. Winds reaching up to 25 knots inshore in the afternoon.
Seas
Around 1 metre, increasing to 1.5 to 2 metres around midday.
1st Swell
Southerly around 1 metre, increasing to 1 to 1.5 metres later in the evening.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassie Rock Temperature Statistics View More

August Temperature

Terrey Hills (10km)

  • Lowest 5 August, 2026

    4.6 °C

  • Average August

    13 °C

  • Highest 20 August, 2026

    22.4 °C

Climate (2021–2026)

Terrey Hills (10km)

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