Cossack Weather Forecast
- 27
- 37
Mostly sunny
- 26
- 37
Mostly sunny
- 26
- 37
Sunny
- 25
- 37
Possible shower
- 26
- 38
Possible shower
- 25
- 37
Shower or two
- 26
- 37
Shower or two
Today 11 Dec Pilbara
Partly cloudy. Medium chance of showers in the east, most likely in the afternoon and early evening. Near zero chance of rain elsewhere. The chance of a thunderstorm. Winds northwest to northeasterly 20 to 30 km/h. Overnight temperatures falling to the mid to high 20s with daytime temperatures reaching 39 to 46.
Pilbara East Coastal Waters
Wallal to Cape Preston- Wind
- Northerly 10 to 15 knots turning northwesterly during the morning and early afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Westerly below 1 metre.
- Weather
- Mostly sunny morning. The chance of a thunderstorm inshore in the afternoon.
Cossack Temperature Statistics View More
December Temperature
Roebourne Airport (9km)
Lowest 3 December, 2025
22.7 °CAverage December
34.3 °CHighest 9 December, 2025
46.8 °C
Climate (2020–Present)
Roebourne Airport (9km)
Average Low 2020–2025
20.2 °CAverage 2020–2025
27.1 °CAverage High 2020–2025
35 °C