Rocky Islands Weather Forecast

    • 18
    • 24

    Shower

    • 19
    • 24

    Shower

    • 19
    • 25

    Rain

    • 18
    • 24

    Shower

    • 17
    • 23

    Shower

    • 13
    • 21

    Sunny

    • 13
    • 22

    Sunny

Today 21 Aug Pilbara

Mostly sunny. Areas of fog in the northeast early this morning. Medium chance of showers in the southwest, near zero chance elsewhere. Light winds becoming northwest to southwesterly 15 to 20 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures 26 to 31.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres offshore west of Barrow Island.
Weather
Partly cloudy.
Weather Situation
A trough near the west Pilbara coast will move inland today. A weak ridge forming over central and southern WA today will quickly move east on Friday, ahead of a new trough forming over western Pilbara by Saturday. A lingering patchy cloud band will thicken over the Pilbara over the weekend and will bring unseasonal rain to the region.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Islands Temperature Statistics View More

August Temperature

Onslow Airport (57km)

  • Lowest 2 August, 2025

    10.3 °C

  • Average August

    21.7 °C

  • Highest 15 August, 2025

    33.6 °C

Climate (2020–Present)

Onslow Airport (57km)

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  • Average Low 2020–2025

    20.5 °C

  • Average 2020–2025

    25.8 °C

  • Average High 2020–2025

    32.8 °C
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