Dayton Weather Forecast

    • 59
    • 90

    Areas Smoke

    • 57
    • 89

    Patchy Smoke

    • 57
    • 88

    Sunny

    • 58
    • 91

    Sunny

    • 60
    • 93

    Sunny

    • 57
    • 92

    Sunny

    • 52
    • 83

    Sunny

Today 27 Jul Foothills of the Blue Mountains of Washington

Sunny. Patchy smoke. Highs in the upper 80s to lower 90s. West wind 5 to 10 Mph.

Tonight 27 Jul Foothills of the Blue Mountains of Washington

Clear. Areas of smoke in the Evening, then patchy smoke overnight. Lows around 60. Southwest wind 5 to 10 Mph.

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Dayton Temperature Statistics

July Temperature

Walla Walla Regional Airport (21.7 miles)

  • Lowest 1 July, 2026

    52.6 °F

  • Average July

    79.7 °F

  • Highest 15 July, 2026

    102.7 °F

Climate (2021–2026)

Walla Walla Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.4 °F
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