Dayton Weather Forecast

    • 36
    • 55

    Mostly Sunny

    • 35
    • 58

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 45
    • 67

    Rain Showers Likely

    • 37
    • 60

    Rain Showers Likely

Today 14 Oct Foothills of the Blue Mountains of Washington

Sunny. Widespread frost in the morning. Highs in the mid to upper 50s. Light Wind, becoming southwest 5 to 10 Mph in the afternoon.

Tonight 14 Oct Foothills of the Blue Mountains of Washington

Mostly clear. Areas of frost overnight. Lows in the lower to mid 30s. Light wind.

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Dayton Temperature Statistics

October Temperature

Walla Walla Regional Airport (21.7 miles)

  • Lowest 6 October, 2025

    44.1 °F

  • Average October

    59.7 °F

  • Highest 8 October, 2025

    80.1 °F

Climate (2020–Present)

Walla Walla Regional Airport (21.7 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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