Siesta Park Weather Forecast

    • 14
    • 19

    Showers

    • 11
    • 17

    Showers easing. Very windy

    • 8
    • 15

    Possible shower

    • 7
    • 17

    Shower or two

    • 12
    • 18

    Showers. Becoming windy

    • 7
    • 15

    Shower or two

    • 7
    • 17

    Cloudy

Today 13 Sep Busselton

Cloudy. Very high chance of showers, most likely during the morning and afternoon. Winds west to northwesterly 20 to 30 km/h.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
West to northwesterly 15 to 20 knots, reaching up to 25 knots offshore during the morning and again in the late evening.
Seas
1 to 1.5 metres.
1st Swell
Westerly 1.5 to 2.5 metres.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A ridge extends over central WA from a high pressure centre moving over the Bight. A cold front moves over southwestern parts during Saturday. A more substantial front arrives on Sunday, inducing very windy conditions over the western and southern waters. A ridge then builds about the central west coast from Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Siesta Park Temperature Statistics View More

September Temperature

Busselton Airport (18km)

  • Lowest 8 September, 2025

    2.1 °C

  • Average September

    11.4 °C

  • Highest 1 September, 2025

    19 °C

Climate (2020–Present)

Busselton Airport (18km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    16.7 °C

  • Average High 2020–2025

    23.6 °C
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