Kwinana Grain Jetty Weather Forecast

    • 18
    • 31

    Mostly sunny

    • 16
    • 30

    Sunny

    • 17
    • 29

    Sunny

    • 19
    • 27

    Partly cloudy

    • 17
    • 29

    Cloud clearing

    • 18
    • 26

    Sunny

    • 15
    • 26

    Sunny

Today 11 Feb Perth

Mostly sunny. Winds southeasterly 25 to 40 km/h turning easterly 25 to 35 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 20 knots tending southerly in the middle of the day then turning east to southeasterly in the afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure is strengthening over the southwest and a west coast trough will start to develop from Thursday. The trough will push inland on Saturday as a cold front brushes the southwest coast.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Kwinana Grain Jetty Temperature Statistics View More

February Temperature

Garden Island (6km)

  • Lowest 5 February, 2026

    16.2 °C

  • Average February

    23.9 °C

  • Highest 2 February, 2026

    40.4 °C

Climate (2021–Present)

Garden Island (6km)

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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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