Hay Weather Forecast

    • 53
    • 82

    Mostly Sunny

    • 54
    • 87

    Becoming Sunny

    • 55
    • 88

    Mostly Sunny

    • 53
    • 84

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 47
    • 73

    Mostly Cloudy

Today 19 Sep Washington Palouse

Partly cloudy. Highs in the mid to upper 60s.

Tonight 19 Sep Washington Palouse

Mostly clear. Lows in the upper 40s to lower 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hay Temperature Statistics

September Temperature

Walla Walla Regional Airport (43.5 miles)

  • Lowest 15 September, 2026

    48.7 °F

  • Average September

    63.7 °F

  • Highest 9 September, 2026

    86.6 °F

Climate (2021–2026)

Walla Walla Regional Airport (43.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.5 °F
Get WillyWeather+ to remove ads