Observation Island Weather Forecast
- 18
- 22
Partly cloudy
- 19
- 24
Partly cloudy
- 19
- 24
Partly cloudy
- 19
- 24
Sunny
- 20
- 24
Sunny
- 22
- 24
Shower
- 19
- 22
Shower
Today 21 Jun Pilbara
Mostly sunny. Winds east to southeasterly 25 to 35 km/h. Daytime maximum temperatures 22 to 27.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- East to northeasterly 15 to 20 knots, reaching up to 30 knots offshore east of Onslow during the morning. Winds decreasing to about 10 knots in the late evening.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- West to southwesterly around 1 metre offshore.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge will continue to persist across northern Australia into next week, maintaining east to southeasterly winds across coastal waters.
Observation Island Temperature Statistics View More
June Temperature
Thevenard Island (58km)
Lowest 20 June, 2026
13.9 °CAverage June
21.8 °CHighest 11 June, 2026
28.1 °C
Climate (2021–2026)
Thevenard Island (58km)
Average Low 2021–2026
22.3 °CAverage 2021–2026
25.7 °CAverage High 2021–2026
30.3 °C