The Basin Weather Forecast

    • 14
    • 19

    Mostly sunny

    • 15
    • 20

    Mostly sunny

    • 16
    • 21

    Possible late shower

    • 15
    • 19

    Shower or two

    • 13
    • 18

    Shower or two. Becoming windy

    • 12
    • 18

    Partly cloudy

    • 11
    • 19

    Partly cloudy

Today 19 Oct Lower West

Partly cloudy. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then tending south to southwesterly in the evening. Daytime maximum temperatures in the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1.5 to 2 metres.
Weather
Mostly sunny.
Weather Situation
A ridge lies over Local Waters during the week, with a series of cold fronts forecast to sweep through further south, resulting in southwesterly to northwesterly winds throughout the week, becoming fresh at times.
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

    17 °C

  • Highest 14 October, 2026

    27.4 °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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