Merkle Airport Weather Forecast

    • 63
    • 71

    Chance Thunderstorms

    • 62
    • 77

    Rain Showers

    • 65
    • 76

    Rain Showers

    • 63
    • 80

    Rain Showers Likely

    • 58
    • 72

    Chance Rain Showers

    • 55
    • 71

    Mostly Cloudy

Today 16 Sep Jo Daviess

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 16 Sep Jo Daviess

Mostly cloudy. Showers likely after midnight. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merkle Airport Temperature Statistics

September Temperature

Dubuque Regional Airport (19.9 miles)

  • Lowest 13 September, 2026

    50 °F

  • Average September

    73.9 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Dubuque Regional Airport (19.9 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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