Cassie Rock Weather Forecast

    • 19
    • 21

    Shower or two

    • 20
    • 25

    Partly cloudy

    • 22
    • 25

    Shower or two

    • 22
    • 25

    Shower or two. Possible storm

    • 21
    • 24

    Showers increasing

    • 20
    • 21

    Showers. Storm

    • 20
    • 23

    Shower or two

Today 12 Jan Sydney

Cloudy. Medium chance of showers, becoming less likely in the evening. Winds east to southeasterly 15 to 25 km/h becoming light in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
East to southeasterly 10 to 15 knots tending east to northeasterly during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy.
Weather Situation
Coastal winds remain mostly east to northeasterly as a ridge extends up the New South Wales coast. By the end of the week, winds will become more south easterly was a trough and low pressure system moves off the coast and in to the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassie Rock Temperature Statistics View More

January Temperature

Terrey Hills (10km)

  • Lowest 2 January, 2026

    15.8 °C

  • Average January

    22.2 °C

  • Highest 10 January, 2026

    40.5 °C

Climate (2021–Present)

Terrey Hills (10km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    16.9 °C

  • Average High 2021–2026

    21.8 °C
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