New Vienna Weather Forecast

    • 57
    • 66

    Mostly Cloudy

    • 55
    • 65

    Chance Rain Showers

    • 55
    • 62

    Chance Rain Showers

    • 54
    • 64

    Mostly Cloudy

    • 56
    • 67

    Partly Sunny

    • 58
    • 67

    Rain Showers Likely

Today 24 Sep Dubuque

Mostly cloudy. Highs in the mid 60s. East Winds around 5 Mph.

Tonight 24 Sep Dubuque

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Vienna Temperature Statistics

September Temperature

Monticello Regional Airport (22.4 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    69.8 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Monticello Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.5 °F
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