Whitman Mission National Historic Site Weather Forecast

    • 61
    • 99

    Areas Smoke

    • 60
    • 95

    Patchy Smoke

    • 59
    • 91

    Mostly Sunny

    • 57
    • 90

    Sunny

    • 58
    • 91

    Sunny

    • 58
    • 89

    Sunny

    • 57
    • 88

    Mostly Sunny

Today 7 Aug Foothills of the Blue Mountains of Washington

Sunny. Patchy smoke. Highs in the mid to upper 90s. Southwest wind 5 to 15 Mph.

Tonight 7 Aug Foothills of the Blue Mountains of Washington

Clear. Patchy smoke through the night. Lows in the lower to mid 60s. Southwest wind 5 to 15 Mph.

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Whitman Mission National Historic Site Temperature Statistics

August Temperature

Walla Walla Regional Airport (9.3 miles)

  • Lowest 4 August, 2026

    53.7 °F

  • Average August

    72 °F

  • Highest 5 August, 2026

    93 °F

Climate (2021–2026)

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

    64.4 °F
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