Cathedral Rocks Weather Forecast

    • 11
    • 21

    Becoming windy. Sunny

    • 13
    • 22

    Sunny

    • 17
    • 24

    Possible late shower

    • 16
    • 21

    Possible morning storm. Showers

    • 16
    • 21

    Cloudy

    • 16
    • 21

    Shower or two

    • 16
    • 21

    Shower or two

Today 12 Oct Lower West

Mostly sunny. Winds east to southeasterly 20 to 30 km/h. Overnight temperatures falling to around 7 with daytime temperatures reaching the low to mid 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly 15 to 20 knots turning southerly 15 to 25 knots in the middle of the day then tending southeasterly 15 to 20 knots in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Sunny.
Weather Situation
A ridge extends over Perth and Melville waters. The ridge will slowly move east with the next cold front approaching the southwest from Wednesday night.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cathedral Rocks Temperature Statistics View More

October Temperature

Rottnest Island (5 km)

  • Lowest 2 October, 2026

    12.3 °C

  • Average October

    16.5 °C

  • Highest 2 October, 2026

    21.2 °C

Climate (2021–2026)

Rottnest Island (5 km)

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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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