Perth FAD2 (offshore) Weather Forecast
- 20
- 24
Clear
- 22
- 26
Windy
- 25
- 27
Partly cloudy
- 21
- 22
Windy
- 18
- 21
Windy
- 18
- 21
Windy
- 18
- 22
Windy
Today 23 Dec Lower West
Clear. Winds southeasterly 15 to 25 km/h turning easterly 25 to 35 km/h in the late evening.
Perth Coastal Waters
Two Rocks to Dawesville, offshore from Rottnest Island- Wind
- Southerly 15 to 20 knots tending southeasterly in the late evening.
- Seas
- 1.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Clear.
- Weather Situation
- A firm ridge persists across much of southern WA. A west coast trough is deepening and will move offshore tomorrow before moving inland on Friday ahead of a weak cold front.
Perth FAD2 (offshore) Temperature Statistics View More
December Temperature
Rottnest Island (48km)
Lowest 21 December, 2025
14.6 °CAverage December
21.2 °CHighest 14 December, 2025
37.1 °C
Climate (2020–Present)
Rottnest Island (48km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C