Heller Airport Weather Forecast

    • 71
    • 85

    Decreasing Clouds

    • 75
    • 93

    Mostly Cloudy

    • 71
    • 94

    Slight Chance Thunderstorms

    • 66
    • 89

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 68
    • 89

    Slight Chance Thunderstorms

Today 25 Jul Jo Daviess

Mostly cloudy. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 25 Jul Jo Daviess

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows around 70. Southwest Winds around 5 Mph.

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Heller Airport Temperature Statistics

July Temperature

Dubuque Regional Airport (15.5 miles)

  • Lowest 22 July, 2026

    57 °F

  • Average July

    76 °F

  • Highest 14 July, 2026

    91 °F

Climate (2021–2026)

Dubuque Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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