Dyer Island Weather Forecast
- 18
- 25
Sunny
- 20
- 25
Becoming windy. Sunny
- 18
- 27
Windy. Sunny
- 18
- 29
Sunny
- 22
- 30
Partly cloudy
- 22
- 29
Partly cloudy
- 21
- 25
Mostly sunny
Today 10 Dec Lower West
Sunny. Winds easterly 25 to 35 km/h tending northeast to southeasterly 15 to 20 km/h in the middle of the day then tending south to southwesterly 25 to 35 km/h in the early afternoon. Overnight temperatures falling to between 14 and 17 with daytime temperatures reaching the low to high 30s.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southeasterly 10 to 15 knots tending southerly 15 to 20 knots in the morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
- Weather
- Sunny.
Dyer Island Temperature Statistics View More
December Temperature
Rottnest Island (4km)
Lowest 4 December, 2025
16.7 °CAverage December
20.3 °CHighest 1 December, 2025
36.2 °C
Climate (2020–Present)
Rottnest Island (4km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C