Sherman Weather Forecast

    • 63
    • 87

    Chance Rain Showers

    • 59
    • 81

    Chance Rain Showers

    • 60
    • 88

    Mostly Sunny

    • 61
    • 91

    Slight Chance Rain Showers

    • 58
    • 87

    Partly Sunny

    • 59
    • 88

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

Today 27 Aug Upper Columbia Basin

Cloudy. A chance of Showers. Highs in the mid to upper 80s. South wind 5 to 15 Mph. Chance of precipitation 30 percent.

Tonight 27 Aug Upper Columbia Basin

A chance of Thunderstorms in the evening. Cloudy with a chance of Showers. Lows in the 60s. Southwest wind 5 to 15 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Sherman Temperature Statistics

August Temperature

Fairchild Air Force Base (46.6 miles)

  • Lowest 8 August, 2025

    48.7 °F

  • Average August

    72.1 °F

  • Highest 12 August, 2025

    95.2 °F

Climate (2020–Present)

Fairchild Air Force Base (46.6 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    58.8 °F
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