Hay Valley Weather Forecast

    • 9
    • 15

    Showers

    • 7
    • 15

    Possible morning shower

    • 6
    • 23

    Mostly sunny

    • 9
    • 17

    Shower or two

    • 6
    • 13

    Shower or two

    • 7
    • 16

    Shower or two

    • 7
    • 15

    Shower or two

Today 16 Sep Mount Barker

Partly cloudy. High chance of showers, most likely in the morning and afternoon. Winds northwesterly 25 to 30 km/h tending westerly 25 to 35 km/h in the morning then decreasing to 20 to 25 km/h in the evening.

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Hay Valley Temperature Statistics View More

September Temperature

Mount Barker (8km)

  • Lowest 13 September, 2025

    2 °C

  • Average September

    12.9 °C

  • Highest 6 September, 2025

    23.9 °C

Climate (2020–Present)

Mount Barker (8km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.9 °C

  • Average High 2020–2025

    21 °C
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