South Island Weather Forecast
- 18
- 23
Sunny
- 19
- 22
Sunny
- 18
- 23
Sunny
- 18
- 24
Sunny
- 18
- 23
Partly cloudy
- 20
- 23
Partly cloudy
- 20
- 24
Sunny
Today 25 Aug Pilbara
Sunny. Winds northeast to southeasterly 25 to 35 km/h. Daytime maximum temperatures 28 to 33.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- East to northeasterly 10 to 15 knots, reaching up to 20 knots east of Barrow Island in the early afternoon. Winds tending north to northeasterly in the late afternoon then becoming variable below 10 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Sunny.
- Weather Situation
- A trough lies over the central Kimberley and extends back towards the Pilbara coast. The western part of the trough will move inland through the Pilbara Wednesday and Thursday as a ridge to the south begins to weaken. As this ridge contract towards the southeast, a new ridge will strengthen from the west into the Pilbara and adjacent waters from Thursday. The trough will then extend back into the western Pilbara on Friday.
South Island Temperature Statistics View More
August Temperature
Onslow Airport (31km)
Lowest 10 August, 2026
9.5 °CAverage August
21.4 °CHighest 1 August, 2026
30.4 °C
Climate (2021–2026)
Onslow Airport (31km)
Average Low 2021–2026
20.4 °CAverage 2021–2026
25.8 °CAverage High 2021–2026
32.8 °C