Dyer Island Weather Forecast
- 21
- 29
Becoming windy. Sunny
- 20
- 31
Becoming windy. Sunny
- 20
- 29
Sunny
- 23
- 30
Mostly sunny
- 20
- 27
Mostly sunny
- 18
- 28
Sunny
- 21
- 28
Sunny
Today 30 Jan Lower West
Sunny. Winds west to southwesterly 20 to 30 km/h turning south to southeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures 33 to 38.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly about 10 knots increasing to 15 to 25 knots in the middle of the day.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres around midday.
- 1st Swell
- Southwesterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A ridge sits to the south of the Local Waters. A trough lingers about the west coast, deepening over the weekend and into Monday when it moves inland.
Dyer Island Temperature Statistics View More
January Temperature
Rottnest Island (4km)
Lowest 18 January, 2026
15.9 °CAverage January
22 °CHighest 21 January, 2026
36.2 °C
Climate (2021–Present)
Rottnest Island (4km)
Average Low 2021–2026
16 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C