Cassie Rock Weather Forecast

    • 18
    • 27

    Shower or two. Possible storm

    • 19
    • 23

    Shower or two

    • 18
    • 23

    Shower or two

    • 19
    • 25

    Showers. Possible storm

    • 18
    • 25

    Partly cloudy

    • 17
    • 22

    Possible shower

    • 16
    • 23

    Sunny

Today 31 Oct Sydney

Partly cloudy. High chance of showers, becoming less likely at night. The chance of a thunderstorm in the afternoon and evening. Winds northerly 20 to 30 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northerly 20 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas
1.5 to 2 metres.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough will move north across the coastal waters from Saturday night, followed by a ridge. The trough will reach the Macquarie waters by Sunday night, the Byron waters by Monday morning, and move offshore on Monday. A new trough will move north across the coastal waters on Tuesday, reaching the Sydney waters by Tuesday night.
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  • Temperature Forecast Bureau of Meteorology

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Cassie Rock Temperature Statistics View More

October Temperature

Terrey Hills (10 km)

  • Lowest 15 October, 2026

    8.5 °C

  • Average October

    17.7 °C

  • Highest 12 October, 2026

    34 °C

Climate (2021–2026)

Terrey Hills (10 km)

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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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