Perth Weather Forecast
- 10
- 21
Rain increasing
- 8
- 18
Showers easing
- 7
- 21
Partly cloudy
- 8
- 22
Partly cloudy
- 10
- 25
Mostly sunny
- 11
- 22
Shower or two
- 9
- 20
Possible shower
Today 26 Aug Perth
Cloudy. Very high chance of rain, most likely in the afternoon and evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding in the southwest in the morning and afternoon. Winds north to northwesterly 15 to 25 km/h shifting south to southeasterly 15 to 20 km/h during the afternoon and evening.
Melville Waters
- Wind
- Northerly below 10 knots becoming westerly in the early afternoon then becoming southerly in the evening.
- Weather
- Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
- Weather Situation
- Northwesterly winds this afternoon ahead of a slow-moving cold front approaching the southwest of the State. The front will pass through the local waters later on Wednesday, with a new ridge strengthening across the west coast on Thursday and Friday.
Perth Temperature Statistics View More
August Temperature
Perth Metro (4km)
Lowest 11 August, 2026
2.5 °CAverage August
13.3 °CHighest 3 August, 2026
25.3 °C
Climate (2021–2026)
Perth Metro (4km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
25.4 °C