Alcoa Jetty Weather Forecast

    • 11
    • 16

    Showers. Windy

    • 12
    • 16

    Showers

    • 8
    • 15

    Cloudy

    • 7
    • 16

    Mostly sunny

    • 8
    • 18

    Mostly sunny

    • 9
    • 21

    Mostly sunny

    • 13
    • 22

    Shower or two

Today 6 Sep Perth

Partly cloudy. Very high chance of showers, becoming less likely this afternoon. The chance of a thunderstorm in the morning and early afternoon, possibly severe with damaging winds this morning. Winds southwesterly 25 to 40 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the morning and early afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 2.5 to 4 metres.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and early afternoon.
Weather Situation
Strong southwesterly winds persist over the local waters today in the wake of a cold front that moved through early this morning. Additional troughs pass over the waters for the remainder of the weekend, followed by a ridge in the new week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

September Temperature

Garden Island (10km)

  • Lowest 1 September, 2025

    7.5 °C

  • Average September

    15.1 °C

  • Highest 1 September, 2025

    19.7 °C

Climate (2020–Present)

Garden Island (10km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.4 °C
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