Cassie Rock Weather Forecast

    • 14
    • 18

    Possible morning shower

    • 11
    • 18

    Partly cloudy

    • 11
    • 17

    Partly cloudy

    • 13
    • 19

    Partly cloudy

    • 12
    • 21

    Sunny

    • 13
    • 23

    Mostly sunny

    • 15
    • 25

    Mostly sunny

Today 8 Sep Sydney

Cloudy. Slight chance of a shower in the morning. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly in the morning then becoming light in the early afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds becoming variable about 10 knots in the late afternoon.
Seas
2 to 2.5 metres, decreasing below 1.5 metres around midday, then decreasing below 1 metre during the afternoon.
1st Swell
Southerly 1.5 metres, increasing to 2 metres during the morning.
Weather
Partly cloudy. 50% chance of showers in the early morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassie Rock Temperature Statistics View More

September Temperature

Terrey Hills (10km)

  • Lowest 1 September, 2026

    11.3 °C

  • Average September

    18.1 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (10km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    22 °C
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