Kwinana Beach Weather Forecast
- 8
- 16
Mostly sunny
- 12
- 18
Showers increasing. Windy
- 8
- 15
Showers easing
- 9
- 16
Showers
- 12
- 17
Showers
- 9
- 15
Shower or two
- 9
- 16
Partly cloudy
Today 19 Jul Perth
The chance of morning fog about the hills. Mostly sunny day. The chance of frost about the hills in the early morning. Slight chance of a shower in the late afternoon and evening. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Northeast to southeasterly 10 to 15 knots tending northeasterly in the morning then turning north to northwesterly in the middle of the day.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
- Weather
- Mostly sunny.
Kwinana Beach Temperature Statistics View More
July Temperature
Garden Island (7km)
Lowest 17 July, 2025
8.5 °CAverage July
15.1 °CHighest 1 July, 2025
21.3 °C
Climate (2020–Present)
Garden Island (7km)
Average Low 2020–2025
15.2 °CAverage 2020–2025
19 °CAverage High 2020–2025
23.4 °C