New Vienna Weather Forecast

    • 71
    • 90

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Rain Showers

    • 66
    • 90

    Mostly Sunny

    • 68
    • 86

    Chance Thunderstorms

    • 67
    • 88

    Mostly Sunny

    • 61
    • 83

    Partly Sunny

Today 16 Jul Dubuque

Patchy fog in the morning. Mostly sunny. Hot with Highs around 90. Southwest Winds around 5 Mph. Heat index Values up to 100.

Tonight 16 Jul Dubuque

Partly cloudy. Humid with Lows in the lower 70s. South Winds around 5 Mph. Heat index Values up to 100 early in the evening.

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New Vienna Temperature Statistics

July Temperature

Monticello Regional Airport (22.4 miles)

  • Lowest 7 July, 2026

    62.6 °F

  • Average July

    75.6 °F

  • Highest 1 July, 2026

    91.4 °F

Climate (2021–2026)

Monticello Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    59.3 °F
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