Green Island Weather Forecast
- 12
- 17
Sunny
- 11
- 20
Sunny
- 15
- 22
Sunny
- 17
- 21
Showers. Possible storm
- 15
- 19
Showers. Becoming windy
- 14
- 17
Showers. Wind easing
- 14
- 17
Showers
Today 13 Jul Lower West
Sunny. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly below 10 knots becoming easterly in the late evening.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Sunny.
- Weather Situation
- A ridge will remain to the south until mid next week. A cold front moves through during Thursday afternoon with another overnight Friday.
Green Island Temperature Statistics View More
July Temperature
Rottnest Island (1km)
Lowest 1 July, 2026
9.9 °CAverage July
15.3 °CHighest 9 July, 2026
20.7 °C
Climate (2021–2026)
Rottnest Island (1km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C