Third Rocks Weather Forecast

    • 16
    • 25

    Sunny

    • 17
    • 27

    Sunny

    • 17
    • 25

    Partly cloudy

    • 17
    • 25

    Sunny

    • 16
    • 22

    Partly cloudy

    • 16
    • 20

    Showers easing

    • 13
    • 21

    Partly cloudy

Today 13 Apr Perth

Mostly sunny. The chance of a thunderstorm in the northeast. Winds southwesterly 15 to 20 km/h becoming light in the evening then becoming southeasterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
A ridge extends over the Local Waters while a west coast trough has moved onshore and remains for the first half of the week. A weak cold front will brush the southwest of the State on Wednesday ahead of the next cold front on Friday night.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

April Temperature

Garden Island (8km)

  • Lowest 8 April, 2026

    13.1 °C

  • Average April

    19.2 °C

  • Highest 3 April, 2026

    28.7 °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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