Rocky Bay Weather Forecast
- 11
- 17
Shower or two. Becoming windy
- 12
- 17
Showers easing. Windy
- 13
- 18
Shower or two
- 15
- 19
Showers easing
- 13
- 17
Possible shower
- 13
- 18
Shower or two
- 12
- 17
Showers
Today 13 Jul Lower West
Partly cloudy. Medium chance of showers, most likely in the afternoon and evening. Light winds becoming west to northwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures between 14 and 17.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Variable about 10 knots becoming westerly 10 to 15 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A weak ridge extends over Local Waters on Sunday. A cold front moves through early Monday morning, followed by a new stronger ridge building to the north later Monday and into Tuesday.
Rocky Bay Temperature Statistics View More
July Temperature
Rottnest Island (2km)
Lowest 8 July, 2025
11.2 °CAverage July
16.2 °CHighest 6 July, 2025
21.7 °C
Climate (2020–Present)
Rottnest Island (2km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C