Alcoa Jetty Weather Forecast

    • 12
    • 17

    Clear

    • 8
    • 17

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 8
    • 19

    Sunny

    • 13
    • 21

    Mostly sunny

    • 15
    • 20

    Showers

Today 10 Jul Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
A weak cold front will brush the south coast overnight on Friday. A ridge will begin to move over southwest WA from Friday evening and will slowly extend east over the coming days. A trough will extend down the west coast on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

July Temperature

Garden Island (10km)

  • Lowest 8 July, 2026

    7 °C

  • Average July

    14.4 °C

  • Highest 8 July, 2026

    20.1 °C

Climate (2021–2026)

Garden Island (10km)

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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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