Hay Weather Forecast

    • 56
    • 83

    Mostly Sunny

    • 59
    • 87

    Increasing Clouds

    • 54
    • 74

    Chance Rain Showers

    • 51
    • 73

    Mostly Sunny

    • 53
    • 84

    Sunny

    • 52
    • 85

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

Today 12 Sep Washington Palouse

Sunny with a chance of rain Showers. A chance of Thunderstorms in the afternoon. Highs in the upper 70s to lower 80s. South wind 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 12 Sep Washington Palouse

Mostly clear. Lows in the lower to mid 50s. Light wind.

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Hay Temperature Statistics

September Temperature

Walla Walla Regional Airport (43.5 miles)

  • Lowest 10 September, 2025

    62.1 °F

  • Average September

    79.9 °F

  • Highest 2 September, 2025

    97 °F

Climate (2020–Present)

Walla Walla Regional Airport (43.5 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    64.1 °F
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