Onslow Weather Forecast

    • 12
    • 25

    Sunny

    • 11
    • 26

    Sunny

    • 12
    • 28

    Sunny

    • 12
    • 27

    Sunny

    • 14
    • 27

    Mostly sunny

    • 17
    • 26

    Partly cloudy

    • 16
    • 27

    Partly cloudy

Today 12 Aug Pilbara

Sunny. Winds east to southeasterly 30 to 45 km/h. Daytime maximum temperatures 20 to 27.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
East to northeasterly 15 to 20 knots, reaching up to 30 knots offshore east of Onslow during the morning and early afternoon. Winds becoming variable about 10 knots in the late evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, then decreasing to 1 metre by early evening.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres about offshore western waters.
Weather
Sunny.
Weather Situation
A southeasterly surge extends across the Pilbara and western Kimberley waters, while a weak trough over the north Kimberley brings variable winds. The trough will extend into the Pilbara from later Thursday with the surge weakening and an easterly flow returning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onslow Temperature Statistics View More

August Temperature

Onslow Airport (3km)

  • Lowest 10 August, 2026

    9.5 °C
  • Average August

    21.1 °C
  • Highest 1 August, 2026

    30.4 °C

Climate (2021–2026)

Onslow Airport (3km)

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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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