New Glarus Weather Forecast

    • 60
    • 83

    Decreasing Clouds

    • 59
    • 82

    Partly Sunny

    • 62
    • 81

    Mostly Cloudy

    • 70
    • 86

    Rain Showers Likely

    • 62
    • 86

    Slight Chance Thunderstorms

    • 57
    • 79

    Partly Sunny

Today 5 Sep Green

Partly sunny. Patchy fog in the morning. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 5 Sep Green

Partly cloudy. Patchy fog through the night. Near steady temperature in the lower 70s. North Winds up to 5 Mph.

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New Glarus Temperature Statistics

September Temperature

Monroe Municipal Airport (13 miles)

  • Lowest 1 September, 2026

    72.7 °F

  • Average September

    82.1 °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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