Hay Valley Weather Forecast
- 7
- 19
Showers
- 10
- 15
Showers. Windy
- 6
- 16
Partly cloudy
- 6
- 16
Cloudy
- 5
- 16
Partly cloudy
- 8
- 16
Partly cloudy
- 5
- 19
Sunny
Today 4 Sep Mount Barker
Partly cloudy. Very high chance of showers, most likely from late this morning. The chance of a thunderstorm during this afternoon and evening. Winds northerly 20 to 30 km/h tending northwesterly 25 to 30 km/h in the evening.
Hay Valley Temperature Statistics View More
September Temperature
Mount Barker (8km)
Lowest 3 September, 2026
8.9 °CAverage September
13.5 °CHighest 1 September, 2026
20.7 °C
Climate (2021–2026)
Mount Barker (8km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
14 °CAverage High 2021–2026
21.1 °C