New Vienna Weather Forecast

    • 70
    • 86

    Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

    • 62
    • 83

    Partly Sunny

    • 59
    • 78

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 53
    • 75

    Mostly Sunny

Today 17 Aug Dubuque

Partly sunny. Near steady temperature in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 17 Aug Dubuque

Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows around 70. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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New Vienna Temperature Statistics

August Temperature

Monticello Regional Airport (22.4 miles)

  • Lowest 1 August, 2025

    51.8 °F

  • Average August

    71.6 °F

  • Highest 8 August, 2025

    87.8 °F

Climate (2020–Present)

Monticello Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    58.4 °F
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