Siesta Park Weather Forecast

    • 7
    • 19

    Mostly clear

    • 10
    • 19

    Showers increasing

    • 6
    • 16

    Showers increasing

    • 5
    • 13

    Showers

    • 6
    • 17

    Showers increasing

    • 7
    • 14

    Showers

    • 6
    • 17

    Shower or two

Today 5 Aug Busselton

Mostly clear. Light winds.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Northwesterly about 10 knots increasing to 10 to 15 knots in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Mostly clear.
Weather Situation
A weak ridge over inland southern WA is moving east ahead of a cold front which will cross the southwest corner of the state on Thursday afternoon. A stronger cold front will move over the South West Land Division during Friday night and Saturday and is associated with a vigorous southwesterly airstream. A broad ridge will extend over central WA from Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Siesta Park Temperature Statistics View More

August Temperature

Busselton Airport (18km)

  • Lowest 2 August, 2026

    0.7 °C

  • Average August

    10.3 °C

  • Highest 3 August, 2026

    18.1 °C

Climate (2021–2026)

Busselton Airport (18km)

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  • Average Low 2021–2026

    10.6 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    23.5 °C
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