The Basin Weather Forecast

    • 16
    • 21

    Partly cloudy

    • 15
    • 20

    Partly cloudy

    • 16
    • 21

    Late shower or two

    • 15
    • 20

    Shower or two

    • 13
    • 19

    Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 17
    • 21

    Showers. Becoming windy

Today 15 Oct Lower West

Partly cloudy. Medium chance of showers in the morning. Winds northwest to southwesterly 15 to 20 km/h becoming southwesterly 15 to 25 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures in the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots decreasing to below 10 knots in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre, tending westerly 1 to 2 metres during the morning, then tending west to southwesterly 1 to 1.5 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A cold front moves across the west coast early Thursday morning, followed by a brief and weak ridge on Friday. Over the weekend, two more weak cold fronts will move across the southwest coast.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Basin Temperature Statistics View More

October Temperature

Rottnest Island (3 km)

  • Lowest 12 October, 2026

    10.8 °C

  • Average October

    16.8 °C

  • Highest 13 October, 2026

    24.9 °C

Climate (2021–2026)

Rottnest Island (3 km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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