New Glarus Weather Forecast

    • 45
    • 59

    Mostly Cloudy

    • 50
    • 65

    Rain Showers Likely

    • 52
    • 72

    Slight Chance Thunderstorms

    • 54
    • 77

    Partly Sunny

    • 57
    • 84

    Mostly Sunny

    • 60
    • 86

    Chance Rain Showers

    • 60
    • 85

    Chance Rain Showers

Today 21 May Green

Mostly cloudy. Northeast Winds 10 to 15 Mph.

Tonight 21 May Green

Mostly cloudy until early morning then becoming partly cloudy. Lows in the mid 40s. East Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Glarus Temperature Statistics

May Temperature

Monroe Municipal Airport (13 miles)

  • Lowest 7 May, 2026

    32.5 °F

  • Average May

    57.8 °F

  • Highest 16 May, 2026

    81.7 °F

Climate (2021–Present)

Monroe Municipal Airport (13 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    58.6 °F
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