The Basin Weather Forecast

    • 17
    • 22

    Partly cloudy

    • 16
    • 21

    Partly cloudy

    • 15
    • 23

    Sunny

    • 18
    • 24

    Sunny

    • 17
    • 26

    Becoming windy. Sunny

    • 17
    • 25

    Sunny

    • 18
    • 25

    Mostly sunny

Today 21 Nov Lower West

Partly cloudy. Slight chance of a shower near the coast. Winds southwesterly 20 to 30 km/h becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots.
Seas
1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A deep trough near the west coast is expected to move inland during today, with the associated low pressure system moving into the Bight. A ridge of high pressure will develop over southwest WA by Friday, extending over southern WA over the weekend. A new trough will develop about the west coast on Sunday.
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  • Temperature Forecast Bureau of Meteorology

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The Basin Temperature Statistics View More

November Temperature

Rottnest Island (3km)

  • Lowest 16 November, 2024

    11.8 °C

  • Average November

    18.1 °C

  • Highest 18 November, 2024

    28.8 °C

Climate (2019–Present)

Rottnest Island (3km)

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  • Average Low 2019–2024

    16 °C

  • Average 2019–2024

    18.9 °C

  • Average High 2019–2024

    22.8 °C
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