Thomson Bay Weather Forecast
- 23
- 27
Mostly clear
- 20
- 28
Becoming windy. Sunny
- 22
- 28
Becoming windy. Sunny
- 20
- 28
Very windy. Sunny
- 19
- 29
Wind easing. Sunny
- 22
- 30
Sunny
- 24
- 31
Sunny
Today 31 Jan Lower West
Clear. Winds southwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 15 to 20 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
- Weather
- Mostly clear.
- Weather Situation
- A trough over the South West Land Division will move east during Friday night and Saturday as a weak ridge extends south of the state. A new broader trough then forms just inland from the west coast later Saturday and Sunday, and moves east on Monday as another stronger ridge develops from the west.
Thomson Bay Temperature Statistics View More
January Temperature
Rottnest Island (4km)
Lowest 15 January, 2025
16.6 °CAverage January
23.4 °CHighest 20 January, 2025
39.2 °C
Climate (2020–Present)
Rottnest Island (4km)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
16 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
22.8 °C