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.
Cossack Temperature Statistics View More
September Temperature
Roebourne Airport (9km)
Lowest 7 September, 2025
10.8 °CAverage September
23.5 °CHighest 3 September, 2025
35.9 °C
Climate (2020–Present)
Roebourne Airport (9km)
Average Low 2020–2025
20.2 °CAverage 2020–2025
27.1 °CAverage High 2020–2025
35 °C