McCartney Lake Weather Forecast

    • 56
    • 76

    Rain Showers

    • 60
    • 79

    Sunny

    • 53
    • 82

    Rain Showers Likely

    • 52
    • 70

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 57
    • 75

    Chance Rain Showers

    • 61
    • 79

    Chance Thunderstorms

Today 11 Jun Grant

Showers and numerous Thunderstorms. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Not as warm with Highs in the upper 70s. South Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 100 percent.

Tonight 11 Jun Grant

Partly cloudy with a chance of Showers and Thunderstorms this Evening, then clear after midnight. Locally heavy rainfall possible this evening. Cooler with Lows in the mid 50s. West Winds 10 to 20 Mph. Gusts up to 35 Mph this evening. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McCartney Lake Temperature Statistics

June Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest 2 June, 2026

    53.1 °F

  • Average June

    72.3 °F

  • Highest 6 June, 2026

    87.1 °F

Climate (2021–Present)

Dubuque Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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