Hay Flat Weather Forecast

    • 15
    • 29

    Partly cloudy

    • 12
    • 18

    Partly cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 16

    Cloudy

    • 10
    • 19

    Sunny

    • 11
    • 29

    Sunny

    • 15
    • 28

    Sunny

Today 12 Dec Mount Lofty Ranges

Partly cloudy. Slight chance of a shower in the evening. The chance of a thunderstorm near the Barossa Valley at night. Winds east to northeasterly 20 to 30 km/h tending northwest to northeasterly in the morning then tending southeast to southwesterly 25 to 35 km/h in the middle of the day. Overnight temperatures falling to between 15 and 20 with daytime temperatures reaching 32 to 37.

Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hay Flat Temperature Statistics View More

December Temperature

Parawa West (Second Valley Forest) (8km)

  • Lowest 7 December, 2025

    7.1 °C
  • Average December

    14.7 °C
  • Highest 3 December, 2025

    27.6 °C

Climate (2020–Present)

Parawa West (Second Valley Forest) (8km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    10.4 °C
  • Average 2020–2025

    13.4 °C
  • Average High 2020–2025

    17.5 °C
Get WillyWeather+ to remove ads