Third Rocks Weather Forecast
- 15
- 19
Shower or two
- 12
- 18
Cloudy
- 10
- 22
Mostly sunny
- 12
- 25
Sunny
- 16
- 28
Sunny
- 18
- 22
Showers
- 16
- 22
Shower or two
Today 10 Oct Perth
Cloudy. Medium chance of showers. Winds westerly 20 to 30 km/h turning southwesterly 15 to 20 km/h in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Westerly 10 to 15 knots tending southwesterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Cloudy. 50% chance of showers.
- Weather Situation
- A cold front is approaching from the southwest. A ridge is then expected to strengthen over the local waters in the wake of the front.
Third Rocks Temperature Statistics View More
October Temperature
Garden Island (8 km)
Lowest 2 October, 2026
9.9 °CAverage October
16.8 °CHighest 2 October, 2026
21.8 °C
Climate (2021–2026)
Garden Island (8 km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C