Boullanger Island Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 13
    • 22

    Cloudy

    • 11
    • 24

    Sunny

    • 12
    • 22

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 11
    • 23

    Sunny

    • 13
    • 22

    Shower or two. Becoming windy

Today 19 Sep Central West

Partly cloudy. Winds westerly 20 to 30 km/h tending southwesterly in the late afternoon then becoming light in the evening. Daytime maximum temperatures 20 to 25.

Lancelin Coastal Waters

Jurien Bay to Two Rocks
Wind
Westerly 15 to 20 knots, reaching up to 25 knots offshore during the morning. Winds turning southwesterly 10 to 15 knots in the evening.
Seas
1 to 2 metres, decreasing to 1 metre during the afternoon.
1st Swell
Westerly 4 metres, tending southwesterly 4 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A cold front is moving east across the south coast today, followed by a couple more weak fronts brushing past the south coast on the weekend. A new ridge will form along the southwest coast on Sunday before weakening on Monday. A trough developing inland will move east along the south coast on Tuesday ahead of the next cold front.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boullanger Island Temperature Statistics View More

September Temperature

Jurien Bay (2km)

  • Lowest 7 September, 2026

    9 °C

  • Average September

    16.2 °C

  • Highest 16 September, 2026

    29.2 °C

Climate (2021–2026)

Jurien Bay (2km)

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  • Average Low 2021–2026

    13.8 °C

  • Average 2021–2026

    19.8 °C

  • Average High 2021–2026

    25.8 °C
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