Third Rocks Weather Forecast

    • 11
    • 19

    Partly cloudy

    • 11
    • 20

    Possible shower

    • 12
    • 21

    Partly cloudy

    • 11
    • 23

    Sunny

    • 13
    • 23

    Mostly sunny

    • 13
    • 23

    Partly cloudy

    • 12
    • 22

    Mostly sunny

Today 16 May Perth

Partly cloudy. The chance of morning fog about the hills. Slight chance of a shower near the coast in the morning. Near zero chance of rain elsewhere. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • 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

    17 °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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