Lower Monumental State Airport Weather Forecast

    • 38
    • 54

    Slight Chance Rain

    • 38
    • 52

    Rain

    • 34
    • 47

    Chance Rain/Snow

    • 32
    • 47

    Chance Rain

    • 34
    • 46

    Rain Likely

    • 33
    • 47

    Chance Rain

    • 31
    • 46

    Chance Rain

Today 17 Dec Lower Columbia Basin of Washington

Sunny. A 20 percent chance of rain in the morning. Highs in the lower to mid 50s. Very windy. Southwest wind 20 to 35 Mph. Gusts up to 60 Mph decreasing to 45 Mph in the afternoon.

Tonight 17 Dec Lower Columbia Basin of Washington

Mostly cloudy. Lows in the mid 30s to lower 40s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Monumental State Airport Temperature Statistics

December Temperature

Walla Walla Regional Airport (33.6 miles)

  • Lowest 1 December, 2025

    27 °F

  • Average December

    48.5 °F

  • Highest 15 December, 2025

    68 °F

Climate (2020–Present)

Walla Walla Regional Airport (33.6 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    64.3 °F
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