Mary Cove Weather Forecast
- 20
- 31
Becoming windy. Sunny
- 21
- 29
Sunny
- 23
- 30
Sunny
- 20
- 27
Becoming windy. Mostly sunny
- 18
- 28
Becoming windy. Sunny
- 19
- 28
Sunny
- 22
- 29
Sunny
Today 31 Jan Lower West
Sunny. Winds southeasterly 25 to 40 km/h tending east to southeasterly 35 to 50 km/h in the late evening. Daytime maximum temperatures in the low to high 30s.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly 15 to 25 knots shifting south to southwesterly 20 to 30 knots in the early afternoon then tending south to southeasterly in the late afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A trough nearby is strengthening and will move offshore over the weekend as a ridge becomes established to the east. The ridge will weaken on Monday, allowing the trough to move inland.
Mary Cove Temperature Statistics View More
January Temperature
Rottnest Island (1km)
Lowest 18 January, 2026
15.9 °CAverage January
22 °CHighest 21 January, 2026
36.2 °C
Climate (2021–Present)
Rottnest Island (1km)
Average Low 2021–2026
16 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C