Cascade Weather Forecast

    • 53
    • 66

    Mostly Cloudy

    • 57
    • 65

    Increasing Clouds

    • 54
    • 66

    Mostly Cloudy

    • 54
    • 62

    Chance Rain Showers

    • 54
    • 64

    Partly Sunny

    • 57
    • 69

    Partly Sunny

    • 58
    • 68

    Rain Showers Likely

Today 23 Sep Dubuque

Partly sunny with scattered Sprinkles. Near steady temperature in the mid 60s. East Winds 5 to 10 Mph.

Tonight 23 Sep Dubuque

Mostly cloudy. Scattered Sprinkles in the evening. Lows in the lower 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cascade Temperature Statistics

September Temperature

Monticello Regional Airport (8.7 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    69.8 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Monticello Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.5 °F
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