McCartney Lake Weather Forecast

    • -2
    • 19

    Blustery

    • -5
    • 2

    Cold

    • -11
    • 4

    Cold

    • -2
    • 4

    Cold

    • 14
    • 25

    Mostly Cloudy

    • 9
    • 25

    Mostly Cloudy

Today 18 Jan Grant

Mostly sunny and brisk. Much Colder with Highs around 17. Northwest Winds 15 to 25 Mph. Gusts up to 35 Mph in the morning.

Tonight 18 Jan Grant

Mostly cloudy. Much Colder with Lows around 5 below. Northwest Winds 10 to 15 Mph. Wind chill Values as low as 25 below after midnight.

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McCartney Lake Temperature Statistics

January Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest 15 January, 2025

    -0.9 °F

  • Average January

    18.2 °F

  • Highest 9 January, 2025

    32.6 °F

Climate (2020–Present)

Dubuque Regional Airport (21.1 miles)

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  • Average Low 2020–2025

    40.3 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.5 °F
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