Third Rocks Weather Forecast
- 11
- 21
Sunny
- 10
- 21
Sunny
- 12
- 20
Partly cloudy
- 15
- 21
Partly cloudy
- 12
- 23
Mostly sunny
- 14
- 22
Partly cloudy
- 15
- 20
Showers
Today 2 Oct Perth
Sunny. Winds easterly 15 to 20 km/h shifting south to southwesterly 15 to 25 km/h in the early afternoon then becoming light in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- East to southeasterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Sunny.
Third Rocks Temperature Statistics View More
October Temperature
Garden Island (8km)
Lowest 1 October, 2026
11.5 °CAverage October
14 °CHighest
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Climate (2021–2026)
Garden Island (8km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C