Whitman Mission National Historic Site Weather Forecast

    • 22
    • 38

    Patchy Freezing Fog

    • 20
    • 35

    Patchy Freezing Fog

    • 21
    • 35

    Patchy Freezing Fog

    • 21
    • 36

    Mostly Cloudy

    • 22
    • 37

    Partly Sunny

    • 26
    • 39

    Mostly Cloudy

    • 29
    • 42

    Chance Rain/Snow

Today 19 Jan Foothills of the Blue Mountains of Washington

Mostly cloudy. Patchy freezing fog in the morning. Highs in the mid 30s to lower 40s. Light wind.

Tonight 19 Jan Foothills of the Blue Mountains of Washington

Mostly cloudy. Patchy freezing fog overnight. Lows in the lower to mid 20s. Light wind.

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  • Temperature Real-Time

Whitman Mission National Historic Site Temperature Statistics

January Temperature

Walla Walla Regional Airport (9.3 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    39.6 °F

  • Highest 12 January, 2026

    66.9 °F

Climate (2021–Present)

Walla Walla Regional Airport (9.3 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.3 °F
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