Cossack Weather Forecast

    • 15
    • 32

    Clear

    • 14
    • 32

    Sunny

    • 14
    • 33

    Sunny

    • 15
    • 33

    Sunny

    • 16
    • 36

    Sunny

    • 17
    • 38

    Sunny

    • 22
    • 37

    Partly cloudy

Today 16 Sep Pilbara

Clear. Winds south to southeasterly 15 to 20 km/h.

Pilbara East Coastal Waters

Wallal to Cape Preston
Wind
Northwest to southwesterly 10 to 15 knots tending southwesterly in the late evening.
Seas
Below 1 metre.
1st Swell
Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore west of Port Hedland.
Weather
Clear.
Weather Situation
Generally light winds, apart from the far western Pilbara waters where winds are fresh southerly until Friday. A ridge developing over the southern parts of the State on the weekend will increase winds through the remainder of the Pilbara and southwest Kimberley waters.
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  • Temperature Forecast Bureau of Meteorology

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Cossack Temperature Statistics View More

September Temperature

Roebourne Airport (9km)

  • Lowest 7 September, 2025

    10.8 °C
  • Average September

    23.5 °C
  • Highest 3 September, 2025

    35.9 °C

Climate (2020–Present)

Roebourne Airport (9km)

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  • Average Low 2020–2025

    20.2 °C
  • Average 2020–2025

    27.1 °C
  • Average High 2020–2025

    35 °C
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