Alcoa Jetty Weather Forecast

    • 15
    • 22

    Showers redeveloping

    • 15
    • 20

    Shower or two

    • 16
    • 21

    Shower or two

    • 17
    • 22

    Morning shower or two

    • 13
    • 25

    Sunny

    • 14
    • 24

    Sunny

    • 14
    • 27

    Mostly sunny

Today 31 Oct Perth

Partly cloudy. Very high chance of showers, most likely during the morning and again in the evening. Winds northerly 15 to 25 km/h turning westerly 25 to 35 km/h in the late morning and early afternoon then decreasing to 15 to 20 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Weather Situation
A cold front approaching from the west will cross the local waters on Saturday morning, followed by a trough on Saturday evening with winds shifting southwesterly. A ridge will develop to the north later Sunday but westerly winds will continue across local waters until Tuesday when the ridge sinks to the south coast.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

October Temperature

Garden Island (10 km)

  • Lowest 24 October, 2026

    7.3 °C

  • Average October

    17 °C

  • Highest 14 October, 2026

    29.7 °C

Climate (2021–2026)

Garden Island (10 km)

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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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