Little Armstrong Bay Weather Forecast
- 17
- 24
Sunny
- 19
- 25
Shower or two
- 19
- 23
Possible shower
- 15
- 25
Windy. Mostly sunny
- 17
- 26
Windy. Sunny
- 21
- 28
Sunny
- 21
- 29
Sunny
Today 24 Jan Lower West
Sunny. The chance of smoke haze in the morning, mainly inland. Winds south to southeasterly 15 to 20 km/h becoming light in the morning then becoming southwesterly 20 to 30 km/h in the middle of the day. Overnight temperatures falling to between 11 and 14 with daytime temperatures reaching 26 to 32.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly 15 to 20 knots turning southwesterly 10 to 15 knots in the late morning and early afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Sunny.
Little Armstrong Bay Temperature Statistics View More
January Temperature
Rottnest Island (1km)
Lowest 18 January, 2026
15.9 °CAverage January
22.4 °CHighest 21 January, 2026
36.2 °C
Climate (2021–Present)
Rottnest Island (1km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C