South West Twin Island Weather Forecast
- 23
- 36
Sunny
- 24
- 33
Shower or two
- 24
- 35
Sunny
- 25
- 37
Sunny
- 24
- 34
Sunny
- 22
- 33
Sunny
- 23
- 34
Mostly sunny
Today 22 Apr Pilbara
Mostly sunny. Medium chance of showers in the northeast, most likely in the afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the northeast. Winds east to southeasterly 20 to 30 km/h tending east to northeasterly 25 to 35 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 34 to 39.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- Southeasterly 10 to 15 knots shifting north to northeasterly in the early afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly around 1 metre offshore.
- Weather
- Sunny morning. The chance of a thunderstorm offshore east of Barrow Island during this afternoon and evening.
- Weather Situation
- A ridge should persist over the north of the State for the next few days. A trough should develop over the western Pilbara on Wednesday before being pushed eastwards on Thursday by a new high pressure ridge extending across central parts of the State.
South West Twin Island Temperature Statistics View More
April Temperature
Onslow Airport (19km)
Lowest 19 April, 2025
21.6 °CAverage April
29.8 °CHighest 9 April, 2025
42.2 °C
Climate (2020–Present)
Onslow Airport (19km)
Average Low 2020–2025
20.5 °CAverage 2020–2025
25.8 °CAverage High 2020–2025
32.9 °C