The Basin Weather Forecast

    • 12
    • 19

    Cloud clearing

    • 12
    • 20

    Mostly sunny

    • 14
    • 20

    Sunny

    • 15
    • 21

    Showers increasing

    • 16
    • 20

    Showers. Windy

    • 14
    • 19

    Showers. Windy

    • 13
    • 19

    Showers

Today 4 Jun Lower West

The chance of fog early this morning. Sunny afternoon. Winds east to northeasterly 15 to 20 km/h becoming light in the early afternoon then becoming easterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 17 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly below 10 knots tending northeasterly 10 to 15 knots in the morning then tending northeast to southeasterly in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge over southern WA will move slowly east during today and Friday with a weak trough developing near the Perth coast on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Basin Temperature Statistics View More

June Temperature

Swanbourne (21km)

  • Lowest 3 June, 2026

    9.3 °C

  • Average June

    15.4 °C

  • Highest 1 June, 2026

    19.1 °C

Climate (2021–Present)

Swanbourne (21km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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