South Island Weather Forecast
- 28
- 31
Partly cloudy
- 29
- 34
Windy
- 28
- 33
Shower
- 29
- 31
Windy
- 28
- 30
Windy
- 27
- 29
Shower
- 26
- 29
Shower
Today 23 Mar Pilbara
Partly cloudy. The chance of a thunderstorm in the southwest in the afternoon. Winds southeast to southwesterly 15 to 20 km/h tending northeast to southeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures around 40.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- South to southwesterly 10 to 15 knots tending west to southwesterly in the middle of the day. Winds reaching up to 20 knots in Exmouth Gulf in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly 1 to 1.5 metres offshore, decreasing to around 1 metre by early evening.
- Weather
- Sunny.
- Weather Situation
- Ex-Tropical Cyclone Narelle will continue west over the western Top End of the Northern Territory, approaching the northeast Kimberley as a deep tropical low today. The system may strengthen over the Joseph Bonaparte Gulf, but will most likely traverse the northern Kimberley as a tropical low, then develop over waters north of the Pilbara by mid-week. A trough remains over the west Pilbara.
South Island Temperature Statistics View More
March Temperature
Onslow Airport (31km)
Lowest 15 March, 2026
22.1 °CAverage March
30 °CHighest 1 March, 2026
40.8 °C
Climate (2021–Present)
Onslow Airport (31km)
Average Low 2021–2026
20.5 °CAverage 2021–2026
25.8 °CAverage High 2021–2026
32.8 °C