Third Rocks Weather Forecast

    • 13
    • 18

    Showers easing

    • 10
    • 19

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 12
    • 23

    Sunny

    • 13
    • 23

    Partly cloudy

    • 13
    • 23

    Partly cloudy

Today 15 May Perth

Partly cloudy. The chance of fog in the northeast in the early morning. High chance of showers, most likely in the morning. Light winds becoming southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots tending southerly in the morning then decreasing to below 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 90% 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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
Get WillyWeather+ to remove ads