Whitman Mission National Historic Site Weather Forecast

    • 44
    • 73

    Partly Sunny

    • 37
    • 73

    Increasing Clouds

    • 37
    • 65

    Partly Sunny

    • 37
    • 63

    Mostly Cloudy

    • 33
    • 63

    Mostly Sunny

    • 37
    • 64

    Mostly Sunny

    • 38
    • 65

    Partly Sunny

Today 16 Oct Foothills of the Blue Mountains of Washington

Mostly sunny. Highs in the mid to upper 50s.

Tonight 16 Oct Foothills of the Blue Mountains of Washington

Partly cloudy. Lows in the lower 40s to lower 50s. Light wind.

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Whitman Mission National Historic Site Temperature Statistics

October Temperature

Walla Walla Regional Airport (9.3 miles)

  • Lowest 11 October, 2026

    35.7 °F

  • Average October

    60.2 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Walla Walla Regional Airport (9.3 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.6 °F
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