New Glarus Weather Forecast

    • 23
    • 26

    Snow Likely

    • 5
    • 28

    Chance Snow

    • 11
    • 18

    Mostly Cloudy

    • 10
    • 24

    Partly Sunny

    • 18
    • 26

    Mostly Cloudy

    • 21
    • 33

    Partly Sunny

Today 30 Dec Green

Partly sunny. A 40 percent chance of light snow in the afternoon. Highs in the mid 20s. West Winds 5 to 15 Mph.

Tonight 30 Dec Green

Not as cold. Mostly cloudy. Lows in the lower 20s. West Winds 10 to 15 Mph.

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New Glarus Temperature Statistics

December Temperature

Monroe Municipal Airport (13 miles)

  • Lowest 14 December, 2025

    -6.7 °F

  • Average December

    23.6 °F

  • Highest 23 December, 2025

    46.4 °F

Climate (2020–Present)

Monroe Municipal Airport (13 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    58.3 °F
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