Third Rocks Weather Forecast
- 18
- 29
Partly cloudy
- 17
- 30
Sunny
- 18
- 31
Mostly sunny
- 19
- 32
Partly cloudy
- 22
- 30
Shower or two
- 21
- 27
Showers
- 20
- 25
Windy. Showers
Today 23 Mar Perth
Partly cloudy. Winds southeasterly 25 to 35 km/h increasing to 25 to 40 km/h in the morning.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southeasterly 15 to 20 knots.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
- 1st Swell
- Southwesterly around 1 metre.
- Weather
- Partly cloudy.
Third Rocks Temperature Statistics View More
March Temperature
Garden Island (8km)
Lowest 1 March, 2026
14.3 °CAverage March
22.6 °CHighest 18 March, 2026
36.6 °C
Climate (2021–Present)
Garden Island (8km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C