Lower Monumental State Airport Weather Forecast

    • 42
    • 66

    Rain Likely

    • 40
    • 61

    Rain

    • 36
    • 55

    Chance Rain

    • 35
    • 55

    Slight Chance Rain

    • 37
    • 56

    Chance Rain

    • 38
    • 59

    Mostly Cloudy

Today 24 Oct Lower Columbia Basin of Washington

Cloudy. A 40 percent chance of rain in the afternoon. Highs in the lower to mid 60s. South wind 5 to 10 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 24 Oct Lower Columbia Basin of Washington

Mostly cloudy. Rain likely in the Evening, then a chance of rain overnight. Lows in the upper 30s to lower 40s. Breezy. Southwest wind 10 to 20 Mph. Gusts up to 45 Mph decreasing to 25 Mph overnight. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an inch.

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Lower Monumental State Airport Temperature Statistics

October Temperature

Walla Walla Regional Airport (33.6 miles)

  • Lowest 15 October, 2025

    36 °F

  • Average October

    55.2 °F

  • Highest 8 October, 2025

    80.1 °F

Climate (2020–Present)

Walla Walla Regional Airport (33.6 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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