Washtucna Weather Forecast

    • 58
    • 89

    Mostly Sunny

    • 55
    • 88

    Sunny

    • 56
    • 90

    Sunny

    • 60
    • 96

    Mostly Sunny

    • 63
    • 98

    Hot

    • 62
    • 99

    Hot

Today 19 Aug Upper Columbia Basin

Sunny. Highs in the mid to upper 80s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 19 Aug Upper Columbia Basin

Mostly clear. Lows in the mid 50s to lower 60s. West wind 5 to 10 Mph.

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Washtucna Temperature Statistics

August Temperature

Walla Walla Regional Airport (45.4 miles)

  • Lowest 5 August, 2025

    56.6 °F

  • Average August

    76.7 °F

  • Highest 12 August, 2025

    101.6 °F

Climate (2020–Present)

Walla Walla Regional Airport (45.4 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    64 °F
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