Sherman Weather Forecast

    • 36
    • 58

    Mostly Sunny

    • 36
    • 61

    Partly Sunny

    • 42
    • 57

    Mostly Cloudy

    • 40
    • 59

    Rain

    • 34
    • 54

    Rain Likely

    • 30
    • 50

    Chance Rain

Today 21 Oct Upper Columbia Basin

Mostly sunny. Highs in the upper 50s to lower 60s. Southeast wind 5 to 10 Mph.

Tonight 21 Oct Upper Columbia Basin

Mostly clear. Lows in the mid to upper 30s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sherman Temperature Statistics

October Temperature

Fairchild Air Force Base (46.6 miles)

  • Lowest 16 October, 2025

    32.4 °F

  • Average October

    50.4 °F

  • Highest 9 October, 2025

    78.6 °F

Climate (2020–Present)

Fairchild Air Force Base (46.6 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    58.7 °F
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