Swainsona Island Weather Forecast
- 23
- 24
Partly cloudy
- 22
- 24
Sunny
- 22
- 24
Sunny
- 23
- 24
Partly cloudy
- 23
- 25
Sunny
- 23
- 25
Sunny
- 24
- 25
Sunny
Today 29 Sep Pilbara
Mostly sunny. Slight chance of a shower inland, near zero chance elsewhere. The chance of a thunderstorm in the south in the afternoon and evening. Winds west to southwesterly 15 to 20 km/h tending southeast to southwesterly in the early morning then tending west to northwesterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 15 and 21 with daytime temperatures reaching 30 to 37.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- Southerly 10 to 15 knots turning southwesterly in the middle of the day. Winds reaching up to 20 knots offshore west of Onslow in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly around 1 metre offshore.
- Weather
- Mostly sunny.
Swainsona Island Temperature Statistics View More
September Temperature
Varanus Island (17km)
Lowest 6 September, 2026
18.4 °CAverage September
24.4 °CHighest 21 September, 2026
31.2 °C
Climate (2021–2026)
Varanus Island (17km)
Average Low 2021–2026
23.9 °CAverage 2021–2026
25.9 °CAverage High 2021–2026
29.2 °C