McCartney Lake Weather Forecast

    • 65
    • 84

    Mostly Sunny

    • 67
    • 87

    Chance Thunderstorms

    • 70
    • 88

    Slight Chance Thunderstorms

    • 74
    • 90

    Chance Rain Showers

    • 70
    • 89

    Rain Showers Likely

    • 62
    • 83

    Chance Rain Showers

    • 61
    • 81

    Chance Rain Showers

Today 1 Jul Grant

Mostly sunny. Near steady temperature in the lower 80s. Light Winds.

Tonight 1 Jul Grant

Partly cloudy this Evening, then becoming mostly clear. Lows in the mid 60s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McCartney Lake Temperature Statistics

July Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest

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  • Average July

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Climate (2020–Present)

Dubuque Regional Airport (21.1 miles)

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  • Average Low 2020–2025

    40.3 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.9 °F
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