Boullanger Island Weather Forecast
- 17
- 29
Windy. Sunny
- 16
- 31
Becoming windy. Sunny
- 19
- 40
Sunny
- 25
- 41
Wind easing. Mostly sunny
- 26
- 40
Mostly sunny
- 21
- 28
Partly cloudy
- 18
- 26
Becoming windy. Partly cloudy
Today 21 Dec Central West
Sunny. Winds south to southeasterly 25 to 40 km/h.
Lancelin Coastal Waters
Jurien Bay to Two Rocks- Wind
- Southerly 20 to 25 knots, reaching up to 30 knots offshore in the evening.
- Seas
- 1 to 1.5 metres, increasing to 2 metres during the afternoon.
- 1st Swell
- South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Sunny.
- Weather Situation
- A ridge persists across much of southern WA. A weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
Boullanger Island Temperature Statistics View More
December Temperature
Jurien Bay (2km)
Lowest 4 December, 2025
13 °CAverage December
24.3 °CHighest 1 December, 2025
39.6 °C
Climate (2020–Present)
Jurien Bay (2km)
Average Low 2020–2025
13.8 °CAverage 2020–2025
19.9 °CAverage High 2020–2025
25.9 °C