Simpson Island Weather Forecast
- 26
- 45
Partly cloudy
- 24
- 43
Partly cloudy
- 25
- 44
Partly cloudy
- 25
- 43
Partly cloudy
- 24
- 44
Sunny
- 22
- 42
Sunny
- 21
- 42
Sunny
Today 22 Dec Pilbara
Mostly sunny. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds northeast to southeasterly 20 to 30 km/h tending northwest to northeasterly 15 to 25 km/h in the late afternoon then tending northwest to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 40 to 45.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots inshore in the early afternoon. Winds becoming variable about 10 knots in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Mostly sunny. The chance of a thunderstorm inshore.
- Weather Situation
- A broad area of low pressure through inland areas will move closer to the coast as an easterly flow develops, moving back inland later in the week once the easterly flow weakens.
Simpson Island Temperature Statistics View More
December Temperature
Learmonth Airport (42km)
Lowest 6 December, 2025
19.1 °CAverage December
28.9 °CHighest 20 December, 2025
43.2 °C
Climate (2020–Present)
Learmonth Airport (42km)
Average Low 2020–2025
18.1 °CAverage 2020–2025
24.6 °CAverage High 2020–2025
32.7 °C