New Glarus Weather Forecast

    • 61
    • 73

    Rain Showers Likely

    • 63
    • 69

    Rain Showers

    • 50
    • 69

    Rain Showers

    • 43
    • 65

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

    • 42
    • 64

    Mostly Sunny

Today 29 Sep Green

Sunny late in the morning then becoming mostly cloudy. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 29 Sep Green

Warmer, cloudy. Chance of light Showers in the late evening and early morning. Light Showers likely early in the morning. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of Showers 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Glarus Temperature Statistics

September Temperature

Monroe Municipal Airport (13 miles)

  • Lowest 23 September, 2026

    48.9 °F

  • Average September

    67.9 °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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