Buchanan Bay Weather Forecast

    • 18
    • 34

    Sunny

    • 22
    • 38

    Sunny

    • 22
    • 37

    Sunny

    • 23
    • 36

    Sunny

    • 21
    • 30

    Mostly sunny

    • 17
    • 29

    Mostly sunny

    • 17
    • 27

    Mostly sunny

Today 19 Jan Perth

Sunny. Winds east to southeasterly 15 to 25 km/h tending southeast to southwesterly in the late afternoon then tending southeasterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 15 to 20 knots tending south to southeasterly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A ridge lies south of the State with a high pressure centre moving into the Bight during Tuesday and Wednesday. A west coast trough is developing and will deepen during Tuesday and Wednesday before moving inland on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Buchanan Bay Temperature Statistics View More

January Temperature

Garden Island (4km)

  • Lowest 18 January, 2026

    15.3 °C

  • Average January

    22.5 °C

  • Highest 1 January, 2026

    31.8 °C

Climate (2021–Present)

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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