Perth Weather Forecast
- 10
- 23
Shower or two
- 8
- 19
Sunny
- 5
- 19
Sunny
- 6
- 22
Mostly sunny
- 8
- 23
Sunny
- 10
- 23
Mostly sunny
- 11
- 23
Showers
Today 21 May Perth
Partly cloudy. High chance of showers in the afternoon and evening. The chance of a thunderstorm in the afternoon. Light winds becoming southwesterly 20 to 30 km/h in the middle of the day then tending southerly 15 to 25 km/h in the evening.
Melville Waters
- Wind
- Variable below 10 knots becoming southwesterly 10 to 15 knots in the early afternoon then tending southerly in the evening.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon.
Perth Temperature Statistics View More
May Temperature
Perth Metro (4km)
Lowest 2 May, 2026
5 °CAverage May
15 °CHighest 12 May, 2026
28.3 °C
Climate (2021–Present)
Perth Metro (4km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
25.4 °C