Onslow Weather Forecast
- 18
- 32
Clear
- 18
- 31
Sunny
- 19
- 32
Sunny
- 20
- 34
Sunny
- 21
- 34
Sunny
- 21
- 32
Sunny
- 18
- 32
Sunny
Today 19 Sep Pilbara
Clear. Winds southeast to southwesterly 15 to 25 km/h.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- Northwesterly about 10 knots increasing to 10 to 15 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres about offshore western waters.
- Weather
- Clear.
- Weather Situation
- Generally light winds, apart from the far western Pilbara waters where winds are fresh southerly until Saturday. A ridge developing over the south of the State will increase southeasterly winds through the Pilbara and south west Kimberley waters over the weekend into next week.
Onslow Temperature Statistics View More
September Temperature
Onslow Airport (3km)
Lowest 7 September, 2025
14.1 °CAverage September
22.1 °CHighest 13 September, 2025
32.4 °C
Climate (2020–Present)
Onslow Airport (3km)
Average Low 2020–2025
20.5 °CAverage 2020–2025
25.7 °CAverage High 2020–2025
32.8 °C