Cathedral Rocks Weather Forecast

    • 12
    • 18

    Partly cloudy

    • 13
    • 19

    Shower or two

    • 15
    • 19

    Showers

    • 14
    • 18

    Shower or two

    • 14
    • 19

    Showers

    • 13
    • 18

    Partly cloudy

    • 13
    • 20

    Sunny

Today 26 Sep Lower West

Partly cloudy. The chance of a thunderstorm in the north. Winds southeasterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 2 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A fresh southeasterly flow persists during today. A trough and low will move close to the west coast on Sunday bringing light winds. On Monday the low will slip south of the state. A cold front will approach on Tuesday and move through during Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cathedral Rocks Temperature Statistics View More

September Temperature

Rottnest Island (5km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    27.8 °C

Climate (2021–2026)

Rottnest Island (5km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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