Alcoa Jetty Weather Forecast

    • 15
    • 19

    Shower or two

    • 9
    • 15

    Shower or two

    • 11
    • 17

    Showers easing

    • 11
    • 18

    Shower or two

    • 13
    • 18

    Showers easing

    • 10
    • 17

    Possible shower

    • 12
    • 18

    Shower or two

Today 12 Jul Perth

Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds southwesterly 15 to 20 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots turning south to southeasterly 10 to 15 knots in the evening.
Seas
1.5 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A weak ridge will extend over Local Waters on Sunday, followed by a cold front early Monday morning. A stronger ridge develops just to the north later Monday and into Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alcoa Jetty Temperature Statistics View More

July Temperature

Garden Island (10km)

  • Lowest 10 July, 2025

    9.3 °C

  • Average July

    14.9 °C

  • Highest 1 July, 2025

    21.3 °C

Climate (2020–Present)

Garden Island (10km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    23.4 °C
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