Boullanger Island Weather Forecast

    • 16
    • 30

    Sunny

    • 17
    • 26

    Mostly sunny

    • 15
    • 23

    Showers increasing

    • 13
    • 21

    Possible shower

    • 11
    • 22

    Partly cloudy

    • 11
    • 23

    Mostly sunny

    • 12
    • 22

    Partly cloudy

Today 16 Sep Central West

Mostly sunny. Slight chance of a shower in the east, most likely in the afternoon and early evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and early evening. Winds east to northeasterly 20 to 30 km/h tending north to northeasterly in the middle of the day then tending east to northeasterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 29 to 34.

Lancelin Coastal Waters

Jurien Bay to Two Rocks
Wind
Easterly 10 to 15 knots becoming variable below 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny. The chance of a thunderstorm inshore in the afternoon and early evening.
Weather Situation
A trough extends down the west coast while a strong ridge moves east over the Bight. From Thursday, the trough will become mobile and move inland, ahead of a cold front crossing the southwest on Friday.
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

    15.8 °C

  • Highest 11 September, 2026

    26.5 °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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