Brown Island Weather Forecast
- 27
- 32
Sunny
- 28
- 31
Partly cloudy
- 27
- 30
Partly cloudy
- 28
- 31
Partly cloudy
- 27
- 31
Sunny
- 27
- 32
Sunny
- 25
- 32
Partly cloudy
Today 21 Dec Pilbara
Mostly sunny. Slight chance of a shower in the northeast during this afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm during this afternoon and evening. Winds south to southeasterly 20 to 30 km/h tending northeast to southeasterly in the morning then tending northwest to northeasterly in the evening. Daytime maximum temperatures 40 to 46.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- West to southwesterly 15 to 20 knots tending south to southwesterly before dawn then tending west to southwesterly in the middle of the day. Winds reaching up to 25 knots west of Barrow Island during the afternoon and evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- West to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres about offshore western waters.
- Weather
- Mostly sunny.
- Weather Situation
- A broad area of low pressure persists through inland areas. A ridge building to the south will bring a south to southeast wind change to southern Pilbara and southern parts of the North Interior over the weekend. Winds turning easterly early next week will push the inland trough closer to the coast.
Brown Island Temperature Statistics View More
December Temperature
Onslow Airport (61km)
Lowest 1 December, 2025
21.7 °CAverage December
29.5 °CHighest 7 December, 2025
43.5 °C
Climate (2020–Present)
Onslow Airport (61km)
Average Low 2020–2025
20.5 °CAverage 2020–2025
25.8 °CAverage High 2020–2025
32.8 °C