Third Rocks Weather Forecast

    • 9
    • 18

    Mostly clear

    • 15
    • 19

    Showers easing

    • 10
    • 17

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 9
    • 18

    Mostly sunny

    • 10
    • 19

    Sunny

    • 11
    • 20

    Shower or two

Today 25 Jul Perth

Mostly clear. Light winds becoming northerly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 15 to 20 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge lies to the east with a cold front moving through Sunday morning. A new ridge will develop to the south during Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

July Temperature

Garden Island (8km)

  • Lowest 8 July, 2026

    7 °C

  • Average July

    14.6 °C

  • Highest 15 July, 2026

    22.8 °C

Climate (2021–2026)

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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