Third Rocks Weather Forecast

    • 11
    • 20

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 12
    • 23

    Sunny

    • 13
    • 23

    Mostly sunny

    • 12
    • 22

    Partly cloudy

    • 12
    • 22

    Mostly sunny

    • 11
    • 22

    Mostly sunny

Today 17 May Perth

Mostly sunny. The chance of morning fog about the hills. Slight chance of a shower in the southwest, near zero chance elsewhere. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

May Temperature

Garden Island (8km)

  • Lowest 2 May, 2026

    10.1 °C

  • Average May

    16.8 °C

  • Highest 11 May, 2026

    26.2 °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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