South West Twin Island Weather Forecast

    • 17
    • 31

    Mostly sunny

    • 17
    • 31

    Sunny

    • 17
    • 28

    Cloud clearing

    • 15
    • 30

    Sunny

    • 17
    • 29

    Sunny

    • 18
    • 28

    Sunny

    • 17
    • 29

    Sunny

Today 4 Sep Pilbara

Mostly sunny. Winds south to southwesterly 15 to 25 km/h tending northwest to southwesterly in the middle of the day then tending southeast to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 30 to 36.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
South to southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres about offshore western waters.
Weather
Mostly 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 on Saturday, with southwesterly winds freshening over Pilbara waters as a new trough forms.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Twin Island Temperature Statistics View More

September Temperature

Onslow Airport (19km)

  • Lowest 2 September, 2026

    17.1 °C

  • Average September

    23 °C

  • Highest 2 September, 2026

    32 °C

Climate (2021–2026)

Onslow Airport (19km)

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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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