Twin Rocks Weather Forecast
- 13
- 18
Cloudy
- 14
- 18
Showers. Windy
- 11
- 17
Possible late shower
- 13
- 19
Showers. Very windy
- 11
- 15
Showers. Very windy
- 11
- 16
Showers. Wind easing
- 12
- 17
Showers. Windy
Today 17 Jul Lower West
Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Westerly below 10 knots increasing to 10 to 15 knots in the evening.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 2.5 to 4 metres, decreasing to 2.5 to 3 metres by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure ridge over the local waters will weaken tonight as a weak cold front passes through the area on Friday. A new ridge will become established on Friday night and Saturday. Winds will strengthen out of the northwest during Sunday as a stronger cold front approaches from the west, tending southwesterly in its wake on Sunday night and Monday.
Twin Rocks Temperature Statistics View More
July Temperature
Rottnest Island (5km)
Lowest 8 July, 2025
11.2 °CAverage July
15.8 °CHighest 6 July, 2025
21.7 °C
Climate (2020–Present)
Rottnest Island (5km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C