Kwinana Grain Jetty Weather Forecast

    • 9
    • 19

    Shower or two developing

    • 15
    • 19

    Showers

    • 9
    • 16

    Possible shower

    • 9
    • 17

    Possible shower

    • 11
    • 17

    Possible shower

    • 12
    • 19

    Shower or two

    • 11
    • 17

    Shower or two

Today 11 Jul Perth

Mostly sunny day. Medium chance of showers, most likely late this afternoon and evening. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h in the late morning and early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northeasterly 10 to 15 knots tending north to northwesterly 15 to 20 knots during the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A ridge to the north is moving away as a cold front approaches from the west. The cold front will move through the local waters on Saturday morning followed by a new ridge on Sunday.
Graph Plots Open in Graphs

  • 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

    15.1 °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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