Siesta Park Weather Forecast
- 11
- 19
Showers
- 8
- 18
Partly cloudy
- 6
- 19
Mostly sunny
- 5
- 18
Sunny
- 7
- 19
Shower or two
- 9
- 16
Showers
- 7
- 16
Showers easing
Today 21 Jun Busselton
Cloudy. Very high chance of showers, most likely during the morning and afternoon. Winds northerly 15 to 25 km/h tending northwesterly 15 to 20 km/h in the morning then becoming light in the middle of the day.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds tending northwest to southwesterly in the middle of the day then becoming variable about 10 knots in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A high pressure ridge over western WA is contracting east, as a cloud band extends across the western districts. A cold front will cross the South West Capes during today and travel across the South West Land Division overnight into Monday, stalling about Esperance coast on Tuesday before weakening by Wednesday. A new ridge will develop over southwest WA later Monday.
Siesta Park Temperature Statistics View More
June Temperature
Busselton Airport (18km)
Lowest 17 June, 2026
3 °CAverage June
11.5 °CHighest 7 June, 2026
20.3 °C
Climate (2021–2026)
Busselton Airport (18km)
Average Low 2021–2026
10.6 °CAverage 2021–2026
16.6 °CAverage High 2021–2026
23.5 °C