McCartney Lake Weather Forecast

    • 39
    • 50

    Mostly Cloudy

    • 27
    • 47

    Mostly Cloudy

    • 36
    • 51

    Mostly Sunny

    • 33
    • 56

    Partly Sunny

    • 40
    • 52

    Chance Rain

    • 30
    • 52

    Chance Rain

Today 20 Nov Grant

Cloudy. Patchy fog. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 20 Nov Grant

Mostly cloudy. Patchy fog after midnight. Lows in the lower 30s. Northwest Winds around 5 Mph.

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McCartney Lake Temperature Statistics

November Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest 10 November, 2025

    21.9 °F

  • Average November

    43.1 °F

  • Highest 14 November, 2025

    68 °F

Climate (2020–Present)

Dubuque Regional Airport (21.1 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    59.1 °F
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