Whitman Mission National Historic Site Weather Forecast

    • 43
    • 60

    Rain

    • 34
    • 54

    Rain

    • 36
    • 57

    Chance Rain

    • 36
    • 60

    Mostly Sunny

    • 45
    • 69

    Mostly Cloudy

    • 46
    • 71

    Chance Rain

    • 43
    • 65

    Chance Rain

Today 14 Apr Foothills of the Blue Mountains of Washington

Mostly cloudy with a 40 percent chance of rain. Highs in the mid to upper 50s. Windy. Southwest wind 20 to 30 Mph. Rainfall Amounts less than a tenth of an inch.

Tonight 14 Apr Foothills of the Blue Mountains of Washington

Rain likely in the Evening, then a chance of rain overnight. Lows in the upper 30s to lower 40s. Windy. Southwest wind 15 to 25 Mph with Gusts to around 35 Mph. Chance of precipitation 70 percent. Rainfall Amounts up to a half of an inch possible.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitman Mission National Historic Site Temperature Statistics

April Temperature

Walla Walla Regional Airport (9.3 miles)

  • Lowest 9 April, 2026

    37.7 °F

  • Average April

    54.2 °F

  • Highest 6 April, 2026

    74.6 °F

Climate (2021–Present)

Walla Walla Regional Airport (9.3 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    64.5 °F
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