Whitman Mission National Historic Site Weather Forecast

    • 55
    • 84

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

    • 62
    • 99

    Hot

    • 68
    • 103

    Hot

    • 62
    • 97

    Hot

    • 59
    • 91

    Sunny

    • 62
    • 98

    Hot

Today 5 Jul Foothills of the Blue Mountains of Washington

Mostly cloudy in the morning then clearing. Highs in the 80s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 5 Jul Foothills of the Blue Mountains of Washington

Mostly clear. Lows in the mid to upper 50s. South wind 5 to 10 Mph.

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Whitman Mission National Historic Site Temperature Statistics

July Temperature

Walla Walla Regional Airport (9.3 miles)

  • Lowest 3 July, 2025

    63 °F

  • Average July

    81 °F

  • Highest 1 July, 2025

    98.1 °F

Climate (2020–Present)

Walla Walla Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    64 °F
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