Cossack Weather Forecast
- 19
- 35
Sunny
- 19
- 34
Mostly sunny
- 19
- 35
Mostly sunny
- 19
- 35
Sunny
- 19
- 35
Sunny
- 19
- 35
Mostly sunny
- 19
- 35
Sunny
Today 27 Sep Pilbara
Mostly sunny. Slight chance of a shower in the southeast in the afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm in the southeast in the afternoon. Winds southeast to southwesterly 15 to 20 km/h tending northwesterly 25 to 35 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures in the low to high 30s.
Pilbara East Coastal Waters
Wallal to Cape Preston- Wind
- West to southwesterly about 10 knots tending west to northwesterly 10 to 15 knots in the middle of the day then becoming west to southwesterly about 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Westerly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A weak pressure gradient extends over the coastal waters, with an inland trough lingering for a few days.
Cossack Temperature Statistics View More
September Temperature
Roebourne Airport (9km)
Lowest 7 September, 2026
12.7 °CAverage September
26.7 °CHighest 25 September, 2026
39.9 °C
Climate (2021–2026)
Roebourne Airport (9km)
Average Low 2021–2026
20.3 °CAverage 2021–2026
27.2 °CAverage High 2021–2026
35.2 °C