Hay Flat Weather Forecast

    • 10
    • 19

    Cloud clearing

    • 11
    • 26

    Mostly sunny

    • 15
    • 23

    Shower or two

    • 12
    • 18

    Showers

    • 10
    • 15

    Showers

    • 8
    • 14

    Shower or two

    • 9
    • 15

    Possible shower

Today 21 Oct Mount Lofty Ranges

The chance of a thunderstorm near the Barossa Valley in the morning. Sunny afternoon. Winds east to southeasterly 15 to 20 km/h tending southeast to southwesterly in the early afternoon then tending east to southeasterly in the evening. Overnight temperatures falling to around 11 with daytime temperatures reaching 21 to 26.

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  • Temperature Forecast Bureau of Meteorology

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Hay Flat Temperature Statistics View More

October Temperature

Parawa West (Second Valley Forest) (8 km)

  • Lowest 7 October, 2026

    6.3 °C

  • Average October

    13.6 °C

  • Highest 18 October, 2026

    25.6 °C

Climate (2021–2026)

Parawa West (Second Valley Forest) (8 km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    17.8 °C
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