Cossack Weather Forecast

    • 19
    • 29

    Shower or two

    • 18
    • 26

    Shower or two clearing

    • 16
    • 29

    Sunny

    • 17
    • 30

    Sunny

    • 15
    • 27

    Sunny

    • 14
    • 27

    Sunny

    • 14
    • 28

    Sunny

Today 20 May Pilbara

Mostly sunny day. Slight chance of a shower, most likely in the late afternoon and evening. Winds easterly 20 to 30 km/h increasing to 25 to 40 km/h in the morning. Daytime maximum temperatures 25 to 31.

Pilbara East Coastal Waters

Wallal to Cape Preston
Wind
Easterly 15 to 20 knots, reaching up to 25 knots west of Port Hedland in the afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
East to northeasterly around 1 metre.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm offshore.
Weather Situation
A ridge to the south brings moderate to fresh northeast to southeasterly winds through the Pilbara and Kimberley waters, easing for a period on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cossack Temperature Statistics View More

May Temperature

Roebourne Airport (9km)

  • Lowest 11 May, 2026

    14 °C

  • Average May

    24.5 °C

  • Highest 15 May, 2026

    35.5 °C

Climate (2021–Present)

Roebourne Airport (9km)

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  • Average Low 2021–2026

    20.3 °C

  • Average 2021–2026

    27.2 °C

  • Average High 2021–2026

    35.1 °C
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