Alcoa Jetty Weather Forecast

    • 14
    • 17

    Showers

    • 12
    • 18

    Partly cloudy

    • 8
    • 19

    Shower or two

    • 13
    • 18

    Showers

    • 12
    • 15

    Showers easing. Windy

    • 10
    • 17

    Showers increasing

    • 12
    • 17

    Showers

Today 4 Aug Perth

Cloudy. Very high chance of showers, becoming less likely this morning. The chance of a thunderstorm early this morning. Winds northwesterly 15 to 20 km/h turning west to southwesterly early in the morning then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to northwesterly 10 to 15 knots tending west to southwesterly 15 to 20 knots before dawn.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm early this morning.
Weather Situation
A trough lies inland of the west coast and is expected to continue moving east on Tuesday, followed by a cold front along the southwest coast. A weak ridge will briefly return on Wednesday, before weakening on Thursday ahead of the next cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

August Temperature

Garden Island (10km)

  • Lowest 2 August, 2026

    9.2 °C

  • Average August

    13.5 °C

  • Highest 2 August, 2026

    17.6 °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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