North Cottesloe Beach Weather Forecast
- 22
- 40
Clear
- 24
- 31
Mostly sunny
- 18
- 24
Partly cloudy
- 15
- 25
Sunny
- 17
- 24
Possible shower
- 17
- 23
Partly cloudy
- 14
- 27
Becoming windy. Sunny
Today 21 Jan Perth
Clear. Winds east to southeasterly 15 to 20 km/h becoming light in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Clear.
- Weather Situation
- A deep trough offshore will move inland on Thursday as a ridge over the local waters weakens, ahead of a weak cold front brushing the south coast on Friday. A weak ridge will form in the southwest before another cold front approaches over the weekend.
North Cottesloe Beach Temperature Statistics View More
January Temperature
Swanbourne (3km)
Lowest 18 January, 2026
14.5 °CAverage January
23.5 °CHighest 20 January, 2026
39.2 °C
Climate (2021–Present)
Swanbourne (3km)
Average Low 2021–2026
14.5 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
24.3 °C