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.

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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

    14.2 °C
  • Highest 22 October, 2026

    28.7 °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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