New Glarus Weather Forecast

    • 45
    • 59

    Mostly Cloudy

    • 51
    • 66

    Mostly Cloudy

    • 53
    • 72

    Slight Chance Thunderstorms

    • 54
    • 77

    Partly Sunny

    • 57
    • 83

    Partly Sunny

    • 60
    • 84

    Partly Sunny

Today 21 May Green

Mostly cloudy. Slight chance of Sprinkles in the late morning and afternoon. Highs in the upper 50s. East Winds 10 to 15 Mph.

Tonight 21 May Green

Mostly cloudy. Lows in the mid 40s. East Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

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New Glarus Temperature Statistics

May Temperature

Monroe Municipal Airport (13 miles)

  • Lowest 7 May, 2026

    32.5 °F

  • Average May

    57.5 °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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