Buchanan Bay Weather Forecast

    • 12
    • 19

    Showers

    • 14
    • 18

    Showers easing

    • 11
    • 19

    Partly cloudy

    • 10
    • 21

    Sunny

    • 11
    • 21

    Sunny

    • 12
    • 20

    Mostly sunny

    • 15
    • 21

    Partly cloudy

Today 29 Sep Perth

Partly cloudy. The chance of morning fog about the hills. High chance of showers. Light winds becoming westerly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming westerly 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 80% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Buchanan Bay Temperature Statistics View More

September Temperature

Garden Island (4km)

  • Lowest 1 September, 2026

    10.2 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    29.3 °C

Climate (2021–2026)

Garden Island (4km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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