Third Rocks Weather Forecast

    • 12
    • 16

    Partly cloudy

    • 8
    • 17

    Mostly sunny

    • 11
    • 20

    Late shower or two

    • 14
    • 18

    Showers easing

    • 12
    • 18

    Shower or two

    • 11
    • 19

    Showers increasing

    • 12
    • 17

    Showers

Today 1 Aug Perth

Partly cloudy. Winds southerly 15 to 20 km/h becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots tending southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A ridge will briefly develop over local waters tonight, before moving east on Sunday. A trough will approach on Monday, before moving east on Tuesday, followed by a cold front along the southwest coast. A weak ridge will return on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

August Temperature

Garden Island (8km)

  • Lowest

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  • Average August

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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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