Rocky Islands Weather Forecast

    • 20
    • 25

    Cloudy

    • 20
    • 24

    Partly cloudy

    • 17
    • 24

    Partly cloudy

    • 16
    • 24

    Sunny

    • 16
    • 24

    Sunny

    • 17
    • 23

    Sunny

    • 17
    • 24

    Sunny

Today 21 Aug Pilbara

Partly cloudy. Slight chance of a shower in the far west, near zero chance elsewhere. The chance of a thunderstorm in the far west in the afternoon and evening. Winds east to southeasterly 25 to 35 km/h tending northwest to southwesterly 15 to 20 km/h in the late afternoon then tending southeast to southwesterly 15 to 25 km/h in the late evening. Daytime maximum temperatures 27 to 34.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
South to southeasterly 10 to 15 knots turning west to southwesterly below 10 knots in the late morning and early afternoon.
Seas
Below 1 metre, increasing to around 1 metre offshore east of Barrow Island.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Mostly sunny.
Weather Situation
A weak trough over the inland Kimberley and North Interior will deepen back over the Pilbara coast today. The trough will then push towards the southeast during the weekend as a new ridge extends into the Pilbara from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Islands Temperature Statistics View More

August Temperature

Onslow Airport (57km)

  • Lowest 10 August, 2026

    9.5 °C

  • Average August

    21.1 °C

  • Highest 1 August, 2026

    30.4 °C

Climate (2021–2026)

Onslow Airport (57km)

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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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