Alcoa Jetty Weather Forecast

    • 12
    • 22

    Clear

    • 11
    • 24

    Mostly sunny

    • 14
    • 19

    Rain

    • 15
    • 22

    Rain

    • 16
    • 22

    Shower or two

    • 15
    • 21

    Shower or two

    • 12
    • 17

    Shower or two

Today 25 Apr 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 1.5 to 2 metres.
Weather
Clear.
Weather Situation
A weak ridge extends through the area. A high pressure centre will move across southern WA during the weekend. The high will reach the Bight on Sunday night as a trough deepens down the west coast. A cold front will sweep by the south coast during Monday, dragging the west coast trough further inland.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

April Temperature

Garden Island (10km)

  • Lowest 22 April, 2026

    11.7 °C

  • Average April

    18.8 °C

  • Highest 3 April, 2026

    28.7 °C

Climate (2021–Present)

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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