Cascade Weather Forecast

    • 70
    • 87

    Chance Thunderstorms

    • 73
    • 90

    Slight Chance Thunderstorms

    • 70
    • 89

    Thunderstorms Likely

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

Today 7 Aug Dubuque

Mostly cloudy in the Morning, then becoming partly sunny. A chance of Thunderstorms. A chance of Showers, mainly in the morning. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 7 Aug Dubuque

Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cascade Temperature Statistics

August Temperature

Monticello Regional Airport (8.7 miles)

  • Lowest 1 August, 2025

    51.8 °F

  • Average August

    65.7 °F

  • Highest 4 August, 2025

    78.8 °F

Climate (2020–Present)

Monticello Regional Airport (8.7 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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