New Glarus Weather Forecast

    • 55
    • 74

    Chance Rain Showers

    • 62
    • 71

    Rain Showers

    • 58
    • 78

    Rain Showers

    • 53
    • 67

    Chance Rain Showers

    • 50
    • 63

    Chance Rain Showers

    • 50
    • 66

    Mostly Cloudy

Today 17 Sep Green

Mostly cloudy. Light Showers likely and slight chance of Thunderstorms in the Morning, then slight chance of light Showers late in the morning. Highs in the mid 70s. Northeast Winds around 5 Mph. Chance of precipitation 60 percent.

Tonight 17 Sep Green

Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Glarus Temperature Statistics

September Temperature

Monroe Municipal Airport (13 miles)

  • Lowest 14 September, 2026

    52 °F

  • Average September

    73.2 °F

  • Highest 1 September, 2026

    92.7 °F

Climate (2021–2026)

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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