Kwinana Grain Jetty Weather Forecast

    • 13
    • 18

    Showers then mostly sunny

    • 9
    • 17

    Mostly sunny

    • 13
    • 18

    Showers

    • 8
    • 16

    Possible shower

    • 11
    • 18

    Showers. Becoming windy

    • 9
    • 15

    Showers easing. Wind easing

    • 11
    • 16

    Showers

Today 16 Jul Perth

High chance of showers in the morning, clearing to a mostly sunny afternoon. Winds west to northwesterly 15 to 20 km/h shifting southerly in the morning then becoming light in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly 15 to 20 knots turning south to southeasterly below 10 knots during the day.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday.
1st Swell
Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres around midday.
Weather
Partly cloudy. 90% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Kwinana Grain Jetty Temperature Statistics View More

July Temperature

Garden Island (6km)

  • Lowest 10 July, 2025

    9.3 °C

  • Average July

    14.9 °C

  • Highest 1 July, 2025

    21.3 °C

Climate (2020–Present)

Garden Island (6km)

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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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