Sweetwater Weather Forecast

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    • 50

    Chance Rain

    • 37
    • 48

    Rain Likely

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    • 50

    Rain

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    • 49

    Rain

    • 31
    • 48

    Rain Likely

    • 29
    • 46

    Chance Rain/Snow

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    Chance Rain

Today 13 Mar Lewiston Area

Partly sunny with a chance of rain or snow. Snow level 2500 feet. Highs in the mid 40s to lower 50s. Windy. West wind 20 to 30 Mph with Gusts up to 45 Mph. Chance of precipitation 50 percent.

Tonight 13 Mar Lewiston Area

Mostly cloudy. A chance of rain or snow in the evening. Lows in the upper 20s to lower 30s. West wind 5 to 15 Mph in the Evening, becoming light and variable. Gusts up to 30 Mph. Chance of precipitation 20 percent.

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Sweetwater Temperature Statistics

March Temperature

Lewiston, Lewiston-Nez Perce County Airport (10.6 miles)

  • Lowest 6 March, 2025

    30.8 °F

  • Average March

    47.5 °F

  • Highest 1 March, 2025

    65.6 °F

Climate (2020–Present)

Lewiston, Lewiston-Nez Perce County Airport (10.6 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    65.3 °F
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