Hay Valley Weather Forecast

    • 11
    • 22

    Mostly sunny

    • 13
    • 21

    Showers increasing

    • 12
    • 19

    Showers easing

    • 11
    • 19

    Shower or two

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Shower or two

    • 9
    • 17

    Possible shower

Today 14 May Mount Barker

Mostly sunny. Slight chance of a shower, most likely in the late morning and afternoon. Winds north to northeasterly 15 to 20 km/h becoming light in the early afternoon then becoming northeasterly 15 to 20 km/h in the late evening.

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Hay Valley Temperature Statistics View More

May Temperature

Mount Barker (8km)

  • Lowest 12 May, 2026

    6.5 °C

  • Average May

    13.8 °C

  • Highest 1 May, 2026

    27.4 °C

Climate (2021–Present)

Mount Barker (8km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    14 °C

  • Average High 2021–2026

    21.1 °C
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