The Basin Weather Forecast

    • 11
    • 17

    Partly cloudy

    • 10
    • 18

    Cloudy

    • 12
    • 19

    Shower or two

    • 13
    • 18

    Possible shower

    • 11
    • 18

    Sunny

    • 10
    • 19

    Sunny

    • 11
    • 20

    Shower or two

Today 19 Jun Lower West

Partly cloudy. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly below 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the South West Land Division will slowly move east over the weekend. A cold front will cross the South West Capes on Sunday morning, weakening as it moves inland during the day. A ridge will extend south of the state on Monday and Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Basin Temperature Statistics View More

June Temperature

Swanbourne (21km)

  • Lowest 16 June, 2026

    5.6 °C

  • Average June

    13.9 °C

  • Highest 7 June, 2026

    21.5 °C

Climate (2021–2026)

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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