Merriwa Weather Forecast
- 10
- 18
Showers
- 9
- 18
Mostly sunny
- 8
- 18
Sunny
- 9
- 20
Sunny
- 13
- 19
Showers
- 11
- 18
Shower or two
- 9
- 18
Possible shower
Today 8 Jul Perth
Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. Light winds becoming west to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.
Merriwa Temperature Statistics View More
July Temperature
Gingin Airport (26km)
Lowest 5 July, 2025
4.9 °CAverage July
14 °CHighest 6 July, 2025
21.5 °C
Climate (2020–Present)
Gingin Airport (26km)
Average Low 2020–2025
11.6 °CAverage 2020–2025
18.3 °CAverage High 2020–2025
26.3 °C