Cathedral Rocks Weather Forecast

    • 10
    • 17

    Cloud clearing

    • 11
    • 17

    Partly cloudy

    • 11
    • 19

    Cloudy

    • 13
    • 18

    Shower or two

    • 12
    • 18

    Shower or two

    • 11
    • 18

    Mostly sunny

    • 10
    • 18

    Sunny

Today 18 Jun Lower West

Mostly sunny. The chance of frost in the north early this morning. Light winds. Daytime maximum temperatures around 16.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly 10 to 15 knots decreasing to about 10 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres around midday.
Weather
Cloud clearing.
Weather Situation
A developing ridge brings a southerly flow to the local waters. A high pressure system will move over southern WA on Friday and direct an easterly wind change, ahead of the next cold front on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cathedral Rocks Temperature Statistics View More

June Temperature

Swanbourne (30km)

  • Lowest 16 June, 2026

    5.6 °C

  • Average June

    14 °C

  • Highest 7 June, 2026

    21.5 °C

Climate (2021–2026)

Swanbourne (30km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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