Siesta Park Weather Forecast

    • 10
    • 17

    Showers. Possible storm

    • 7
    • 16

    Shower or two

    • 7
    • 17

    Shower or two

    • 7
    • 18

    Showers

    • 8
    • 16

    Showers

    • 5
    • 13

    Shower or two

    • 5
    • 16

    Shower or two

Today 20 Aug Busselton

Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm in the morning and early afternoon. Winds northwesterly 25 to 40 km/h tending westerly 35 to 45 km/h in the middle of the day then tending southwesterly 25 to 35 km/h in the late afternoon.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
West to northwesterly 20 to 25 knots, reaching up to 30 knots during the day. Winds turning southwesterly 15 to 25 knots in the early afternoon.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
West to southwesterly 2.5 to 4 metres, increasing to 4 to 6 metres around midday.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A cold front is continuing to move through Gascoyne and Eucla waters during today. Another cold front moves over southwest parts later today. A ridge will extend over the central west coast in the wake of the cold front on Thursday, and persist until the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Siesta Park Temperature Statistics View More

August Temperature

Busselton Airport (18km)

  • Lowest 15 August, 2025

    3.8 °C

  • Average August

    13 °C

  • Highest 13 August, 2025

    20.4 °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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