Lower Monumental State Airport Weather Forecast

    • 56
    • 84

    Gradual Clearing

    • 62
    • 94

    Mostly Cloudy

    • 64
    • 98

    Chance Rain Showers

    • 62
    • 98

    Hot

    • 60
    • 96

    Mostly Sunny

    • 60
    • 94

    Mostly Sunny

Today 12 Jul Lower Columbia Basin of Washington

Mostly cloudy. Highs in the 80s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 12 Jul Lower Columbia Basin of Washington

Partly cloudy. Lows in the mid to upper 50s. Southeast wind 5 to 10 Mph in the Evening, becoming light.

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Lower Monumental State Airport Temperature Statistics

July Temperature

Walla Walla Regional Airport (33.6 miles)

  • Lowest 1 July, 2026

    52.6 °F

  • Average July

    78.6 °F

  • Highest 7 July, 2026

    98.6 °F

Climate (2021–2026)

Walla Walla Regional Airport (33.6 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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