Onslow Weather Forecast

    • 30
    • 43

    Sunny

    • 29
    • 37

    Mostly sunny

    • 27
    • 38

    Mostly sunny

    • 27
    • 39

    Mostly sunny

    • 27
    • 39

    Sunny

    • 27
    • 42

    Sunny

    • 27
    • 44

    Mostly sunny

Today 21 Dec Pilbara

Partly cloudy. Slight chance of a shower in the northeast, near zero chance elsewhere. The chance of a thunderstorm. Winds northeast to southeasterly 15 to 25 km/h tending southeast to southwesterly in the late afternoon then tending northwest to northeasterly 20 to 30 km/h in the evening.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
West to southwesterly 15 to 20 knots, reaching up to 25 knots west of Barrow Island during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres about offshore western waters.
Weather
Sunny.
Weather Situation
A broad area of low pressure persists through inland areas. Winds turning easterly by Tuesday will push the inland trough closer to the coast.
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  • Temperature Forecast Bureau of Meteorology

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Onslow Temperature Statistics View More

December Temperature

Onslow Airport (3km)

  • Lowest 1 December, 2025

    21.7 °C

  • Average December

    29.5 °C

  • Highest 7 December, 2025

    43.5 °C

Climate (2020–Present)

Onslow Airport (3km)

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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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