Alcoa Jetty Weather Forecast

    • 19
    • 31

    Sunny

    • 20
    • 31

    Sunny

    • 20
    • 35

    Sunny

    • 20
    • 35

    Sunny

    • 25
    • 33

    Sunny

    • 19
    • 31

    Sunny

    • 17
    • 33

    Sunny

Today 29 Jan Perth

Sunny. Winds east to northeasterly 20 to 30 km/h shifting south to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A ridge lies to the south of the Local Waters, with a trough deepening down the west coast during the week and into the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

January Temperature

Garden Island (10km)

  • Lowest 18 January, 2026

    15.3 °C

  • Average January

    22.5 °C

  • Highest 21 January, 2026

    38.9 °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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