McCartney Lake Weather Forecast

    • 31
    • 51

    Breezy

    • 40
    • 57

    Sunny

    • 43
    • 62

    Mostly Sunny

    • 44
    • 65

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

Today 16 Oct Grant

Cloudy. Numerous rain Showers this Morning, then scattered rain Showers this afternoon. Breezy with Highs around 50. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 60 percent.

Tonight 16 Oct Grant

Partly cloudy in the Evening, then becoming clear. Widespread frost after midnight. Colder with Lows around 30. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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McCartney Lake Temperature Statistics

October Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest 5 October, 2026

    42.7 °F

  • Average October

    62.1 °F

  • Highest 12 October, 2026

    84.9 °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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