City of York Bay Weather Forecast
- 11
- 16
Possible storm. Very windy
- 11
- 17
Showers. Wind easing
- 13
- 16
Possible morning storm. Windy
- 10
- 16
Shower or two. Wind easing
- 12
- 17
Mostly sunny
- 12
- 17
Mostly sunny
- 12
- 19
Sunny
Today 8 Aug Lower West
Partly cloudy. High chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the afternoon. Possible small hail in the afternoon and early evening. Winds southwesterly 25 to 40 km/h tending south to southwesterly 20 to 30 km/h in the evening then becoming light in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds tending southerly in the late afternoon.
- Seas
- 2.5 to 3 metres.
- 1st Swell
- Southwesterly 3 to 5 metres.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon. Possible small hail in the afternoon and early evening.
- Caution
- Large and powerful surf conditions from midday are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- A vigorous and cold southwesterly flow over the area will ease tonight and on Sunday under the influence of a high pressure ridge to the north. Another cold front will move over the area on Monday, followed by another ridge on Tuesday and Wednesday.
City of York Bay Temperature Statistics View More
August Temperature
Rottnest Island (1km)
Lowest 2 August, 2026
10.4 °CAverage August
15.6 °CHighest 3 August, 2026
20.4 °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