Cathedral Rocks Weather Forecast

    • 14
    • 18

    Morning shower or two

    • 12
    • 17

    Partly cloudy

    • 13
    • 20

    Mostly sunny

    • 14
    • 21

    Sunny

    • 16
    • 22

    Sunny

    • 17
    • 21

    Showers

    • 17
    • 21

    Showers easing

Today 22 May Lower West

Mostly sunny. Slight chance of a shower near the coast in the morning. Near zero chance of rain elsewhere. Winds south to southeasterly 15 to 25 km/h becoming light in the evening. Overnight temperatures falling to around 7 with daytime temperatures reaching between 17 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 15 to 20 knots decreasing to about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy. 50% chance of showers in the morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cathedral Rocks Temperature Statistics View More

May Temperature

Swanbourne (30km)

  • Lowest 2 May, 2026

    7.7 °C

  • Average May

    16.4 °C

  • Highest 11 May, 2026

    26.9 °C

Climate (2021–Present)

Swanbourne (30km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.2 °C
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