Cathedral Rocks Weather Forecast

    • 13
    • 21

    Sunny

    • 16
    • 20

    Showers. Possible afternoon storm

    • 15
    • 19

    Showers

    • 14
    • 18

    Showers easing. Wind easing

    • 13
    • 17

    Showers

    • 12
    • 17

    Possible shower

    • 12
    • 18

    Possible shower

Today 15 Jul Lower West

Sunny. Winds northerly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northerly 10 to 15 knots.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A ridge over southern parts of the state will be pushed northwards as a cold front moves over the Perth local waters Thursday afternoon, followed by a second cold front later Friday and into Saturday. A weak ridge will begin to develop north of the local waters over the central west cost on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cathedral Rocks Temperature Statistics View More

July Temperature

Rottnest Island (5km)

  • Lowest 1 July, 2026

    9.9 °C

  • Average July

    15.2 °C

  • Highest 9 July, 2026

    20.7 °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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