Thomson Bay Weather Forecast
- 13
- 17
Clear
- 13
- 18
Partly cloudy
- 12
- 20
Shower or two. Becoming windy
- 15
- 20
Showers. Windy
- 12
- 17
Shower or two
- 12
- 17
Shower or two
- 13
- 18
Possible shower
Today 9 Jul Lower West
Clear. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Clear.
- Weather Situation
- An approaching high pressure system extends a ridge over the mid west, moving into central Australia on Friday. A cold front is expected to cross the southwest on Saturday, bringing windy conditions.
Thomson Bay Temperature Statistics View More
July Temperature
Rottnest Island (4km)
Lowest 8 July, 2025
11.2 °CAverage July
16.3 °CHighest 6 July, 2025
21.7 °C
Climate (2020–Present)
Rottnest Island (4km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C