Lewiston Weather Forecast

    • 13
    • 28

    Mostly Cloudy

    • 21
    • 38

    Partly Sunny

    • 31
    • 35

    Rain Likely

    • -4
    • 33

    Chance Snow

    • 18
    • 27

    Mostly Cloudy

    • 7
    • 31

    Mostly Cloudy

Today 15 Dec Winona

Partly sunny. Not as cool with Highs in the upper 20s. West Winds 5 to 10 Mph.

Tonight 15 Dec Winona

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cold with Lows around 13. Southwest Winds 5 to 10 Mph.

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Lewiston Temperature Statistics

December Temperature

Winona, Winona Municipal Airport-Max Conrad Field (10.6 miles)

  • Lowest 4 December, 2025

    -2.2 °F

  • Average December

    18.1 °F

  • Highest 9 December, 2025

    32 °F

Climate (2020–Present)

Winona, Winona Municipal Airport-Max Conrad Field (10.6 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57.5 °F
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