Warnbro Weather Forecast
- 16
- 31
Sunny
- 18
- 31
Sunny
- 17
- 28
Mostly sunny
- 14
- 27
Sunny
- 16
- 30
Sunny
- 18
- 33
Sunny
- 21
- 36
Sunny
Today 18 Dec Perth
Sunny. Winds southeasterly 20 to 30 km/h increasing to 25 to 35 km/h in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots in the evening. Winds turning southeasterly 15 to 20 knots in the evening.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A west coast trough will form on Friday and move inland during the day, ahead of a new ridge developing on Saturday.
Warnbro Temperature Statistics View More
December Temperature
Garden Island (13km)
Lowest 4 December, 2025
16.4 °CAverage December
22.1 °CHighest 14 December, 2025
38.8 °C
Climate (2020–Present)
Garden Island (13km)
Average Low 2020–2025
15.2 °CAverage 2020–2025
19 °CAverage High 2020–2025
23.4 °C