Stark Bay Weather Forecast
- 14
- 18
Shower or two
- 13
- 17
Showers. Becoming windy
- 11
- 16
Showers. Very windy
- 12
- 17
Showers. Wind easing
- 13
- 17
Possible morning storm. Showers
- 12
- 17
Showers easing. Wind easing
- 13
- 17
Partly cloudy
Today 6 Aug Lower West
Partly cloudy. Patchy fog and the chance of frost inland early this morning. High chance of showers in the south, slight chance elsewhere. Light winds becoming west to northwesterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures around 19.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- North to northeasterly about 10 knots tending north to northwesterly 10 to 15 knots in the morning then tending west to northwesterly in the middle of the day.
- Seas
- Below 0.5 metres, increasing to around 1 metre during the morning.
- 1st Swell
- West to southwesterly 2.5 to 3 metres.
- Weather
- Becoming cloudy. 70% chance of showers.
- Weather Situation
- A weak ridge over inland southern WA is moving east ahead of a cold front which will cross the southwest corner of the state on Thursday afternoon. A stronger cold front will move over the South West Land Division during Friday night and Saturday and is associated with a vigorous southwesterly airstream. A broad ridge will extend over central WA from Saturday.
Stark Bay Temperature Statistics View More
August Temperature
Rottnest Island (1km)
Lowest 2 August, 2026
10.4 °CAverage August
15.5 °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