The Basin Weather Forecast

    • 14
    • 18

    Shower or two

    • 14
    • 18

    Showers increasing

    • 12
    • 17

    Possible morning storm. Windy

    • 14
    • 18

    Showers. Windy

    • 12
    • 17

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 10
    • 17

    Mostly sunny

Today 28 Jun Lower West

Cloudy. Medium chance of showers. Winds westerly 15 to 20 km/h becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A moderate to fresh westerly airstream continues over Local Waters. The next cold front will move through later Monday evening and early Tuesday morning bringing a period of strong southwesterly winds. A ridge then develops to the south from Thursday.
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  • Temperature Forecast Bureau of Meteorology

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The Basin Temperature Statistics View More

June Temperature

Swanbourne (21km)

  • Lowest 16 June, 2026

    5.6 °C

  • Average June

    14.3 °C

  • Highest 25 June, 2026

    22.3 °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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