Peosta Weather Forecast

    • 74
    • 91

    Becoming Sunny

    • 70
    • 86

    Rain Showers Likely

    • 68
    • 84

    Chance Thunderstorms

    • 71
    • 84

    Slight Chance Thunderstorms

    • 71
    • 89

    Slight Chance Thunderstorms

    • 72
    • 90

    Partly Sunny

Today 23 Jul Dubuque

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. A slight chance of Showers and Thunderstorms after midnight. Hot with Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 103.

Tonight 23 Jul Dubuque

Mostly clear. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

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Peosta Temperature Statistics

July Temperature

Dubuque Regional Airport (7.5 miles)

  • Lowest 13 July, 2025

    59.6 °F

  • Average July

    74 °F

  • Highest 4 July, 2025

    91.7 °F

Climate (2020–Present)

Dubuque Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.9 °F
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