Brown Island Weather Forecast

    • 19
    • 25

    Sunny

    • 18
    • 25

    Partly cloudy

    • 18
    • 24

    Sunny

    • 19
    • 23

    Partly cloudy

    • 18
    • 24

    Sunny

    • 19
    • 24

    Sunny

    • 20
    • 23

    Sunny

Today 3 Sep Pilbara

Mostly sunny. Winds southeast to southwesterly 15 to 20 km/h tending northwesterly 20 to 30 km/h in the early morning then tending northwest to southwesterly in the late afternoon. Daytime maximum temperatures in the low to high 30s.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
South to southwesterly 10 to 15 knots tending west to southwesterly in the middle of the day. Winds reaching up to 20 knots west of Onslow in the evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres about offshore western waters.
Weather
Sunny.
Weather Situation
A trough across the Pilbara and southwest Kimberley is moving inland and weakening. A ridge over the Gascoyne brings southerly winds to the west Pilbara waters, while a broad southwest to northwest flow continues over the remainder. The ridge will weaken early Saturday, with southwesterly winds freshening over Pilbara waters as a new trough arrives.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brown Island Temperature Statistics View More

September Temperature

Onslow Airport (61km)

  • Lowest 2 September, 2026

    17.1 °C

  • Average September

    22.2 °C

  • Highest 1 September, 2026

    31.7 °C

Climate (2021–2026)

Onslow Airport (61km)

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  • Average Low 2021–2026

    20.4 °C

  • Average 2021–2026

    25.8 °C

  • Average High 2021–2026

    32.8 °C
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