Third Rocks Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 10
    • 17

    Partly cloudy

    • 12
    • 18

    Shower or two

    • 11
    • 17

    Shower or two

    • 10
    • 18

    Sunny

Today 17 Jun Perth

Partly cloudy. The chance of morning fog about the hills. Light winds becoming south to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy.
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.
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  • Temperature Forecast Bureau of Meteorology

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Third Rocks Temperature Statistics View More

June Temperature

Garden Island (8km)

  • Lowest 5 June, 2026

    8.7 °C

  • Average June

    15 °C

  • Highest 7 June, 2026

    21 °C

Climate (2021–Present)

Garden Island (8km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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