Penguin Island Weather Forecast
- 21
- 25
Partly cloudy
- 16
- 23
Showers increasing
- 15
- 19
Showers easing. Wind easing
- 15
- 19
Possible shower
- 13
- 21
Sunny
- 13
- 20
Shower or two
- 14
- 20
Mostly sunny
Today 17 Sep Perth
Partly cloudy. Winds west to northwesterly 15 to 25 km/h becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Northwesterly 10 to 15 knots becoming northerly about 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A trough extends down the west coast. The trough will move inland today ahead of a cold front which will pass over the local waters on Friday before the next ridge begins to develop Saturday.
Penguin Island Temperature Statistics View More
September Temperature
Garden Island (7km)
Lowest 1 September, 2026
10.2 °CAverage September
16.4 °CHighest 15 September, 2026
25.2 °C
Climate (2021–2026)
Garden Island (7km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C