Hay Flat Weather Forecast
- 11
- 19
Rain. Possible storm
- 9
- 14
Rain easing
- 7
- 15
Shower or two
- 7
- 16
Partly cloudy
- 8
- 17
Partly cloudy
- 9
- 18
Partly cloudy
- 11
- 20
Possible shower
Today 24 Oct Mount Lofty Ranges
Partly cloudy. Very high chance of rain, most likely in the late afternoon and evening. The chance of a thunderstorm, possibly severe with damaging winds and large hail near the Barossa Valley. Winds east to southeasterly 15 to 20 km/h tending north to northeasterly 15 to 25 km/h in the middle of the day then tending southerly 20 to 30 km/h in the late afternoon. Overnight temperatures falling to around 12 with daytime temperatures reaching the low to mid 20s.
Hay Flat Temperature Statistics View More
October Temperature
Parawa West (Second Valley Forest) (8 km)
Lowest 7 October, 2026
6.3 °CAverage October
14.2 °CHighest 22 October, 2026
28.7 °C
Climate (2021–2026)
Parawa West (Second Valley Forest) (8 km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
17.8 °C