The Basin Weather Forecast

    • 13
    • 17

    Showers. Possible storm

    • 10
    • 17

    Shower or two. Wind easing

    • 12
    • 17

    Mostly sunny

    • 12
    • 17

    Sunny

    • 12
    • 19

    Sunny

    • 13
    • 20

    Sunny

    • 14
    • 21

    Sunny

Today 10 Aug Lower West

Cloudy. Very high chance of showers. The chance of a thunderstorm. Possible small hail. Winds west to southwesterly 25 to 40 km/h turning southerly 20 to 30 km/h during the afternoon and evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 25 to 30 knots turning southerly 20 to 30 knots in the evening.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm. Possible small hail.
Weather Situation
Fresh SW winds in the wake of a cold front for the remainder of today. Another ridge will develop over the area on Tuesday and dominate the weather pattern until the end of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Basin Temperature Statistics View More

August Temperature

Rottnest Island (3km)

  • Lowest 9 August, 2026

    7.4 °C

  • Average August

    15.1 °C

  • Highest 3 August, 2026

    20.4 °C

Climate (2021–2026)

Rottnest Island (3km)

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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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