Third Rocks Weather Forecast

    • 10
    • 19

    Sunny

    • 10
    • 19

    Showers increasing

    • 12
    • 18

    Shower or two

    • 10
    • 17

    Partly cloudy

    • 9
    • 18

    Sunny

    • 9
    • 19

    Sunny

    • 11
    • 20

    Mostly sunny

Today 8 Jul Perth

Sunny. The chance of fog about the hills early this morning. 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 2 to 3 metres.
Weather
Sunny.
Weather Situation
A ridge in the Southern Ocean is directing east to southeasterly winds over the local waters. Winds turn northwesterly on Thursday ahead of a weak cold front moving to the south on Friday. A new ridge develops to the south on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

July Temperature

Garden Island (8km)

  • Lowest 4 July, 2026

    10.2 °C

  • Average July

    14.5 °C

  • Highest 4 July, 2026

    19.2 °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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