Boullanger Island Weather Forecast
- 20
- 35
Partly cloudy
- 23
- 37
Sunny morning. Possible storm
- 21
- 32
Mostly sunny
- 19
- 27
Partly cloudy
- 17
- 27
Becoming windy. Partly cloudy
- 16
- 32
Sunny
- 20
- 32
Sunny
Today 13 Dec Central West
Partly cloudy. The chance of a thunderstorm, possibly severe with damaging winds. Winds easterly 20 to 30 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. Winds tending southeasterly 15 to 25 knots in the late evening.
- Seas
- 2 to 2.5 metres.
- 1st Swell
- Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Mostly clear. The chance of a thunderstorm.
- Weather Situation
- A deepening trough near the west coast will move offshore on Sunday and a weak low pressure system will develop within the trough, as a high pressure system strengthens in the Bight. The high will move east on Monday, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast on Tuesday. A new ridge will build across the southwest coast from Wednesday.
Boullanger Island Temperature Statistics View More
December Temperature
Jurien Bay (2km)
Lowest 4 December, 2025
13 °CAverage December
23.6 °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