McCartney Lake Weather Forecast

    • 59
    • 71

    Chance Rain Showers

    • 57
    • 81

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 57
    • 79

    Chance Rain Showers

    • 50
    • 67

    Slight Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

Today 9 Oct Grant

Partly sunny. A slight chance of Showers this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Oct Grant

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

McCartney Lake Temperature Statistics

October Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest 5 October, 2026

    44.1 °F

  • Average October

    58 °F

  • Highest 6 October, 2026

    75.9 °F

Climate (2021–2026)

Dubuque Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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