Lower Monumental State Airport Weather Forecast

    • 59
    • 92

    Areas Smoke

    • 57
    • 90

    Sunny

    • 57
    • 90

    Mostly Sunny

    • 57
    • 89

    Mostly Sunny

    • 58
    • 89

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

Today 9 Aug Lower Columbia Basin of Washington

Partly cloudy in the morning then clearing. Patchy smoke. Highs in the upper 80s to mid 90s. Southwest wind 5 to 10 Mph.

Tonight 9 Aug Lower Columbia Basin of Washington

Mostly clear. Patchy smoke. Lows in the mid 50s to lower 60s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Monumental State Airport Temperature Statistics

August Temperature

Walla Walla Regional Airport (33.6 miles)

  • Lowest 4 August, 2026

    53.7 °F

  • Average August

    74.9 °F

  • Highest 7 August, 2026

    97 °F

Climate (2021–2026)

Walla Walla Regional Airport (33.6 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.4 °F
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