O'Leary's Lake Recreation Area Weather Forecast

    • 57
    • 66

    Rain Showers

    • 64
    • 78

    Rain Showers Likely

    • 66
    • 78

    Rain Showers Likely

    • 63
    • 84

    Thunderstorms Likely

    • 59
    • 79

    Chance Rain Showers

    • 55
    • 70

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

Today 1 Jun Grant

Mostly cloudy with scattered Showers with a slight chance of Thunderstorms. Cooler with Highs in the upper 60s. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 1 Jun Grant

Mostly cloudy. Areas of dense fog. Lows in the upper 50s. Southeast Winds around 5 Mph. Shifting to the northwest.

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  • Temperature Forecast NOAA

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O'Leary's Lake Recreation Area Temperature Statistics

June Temperature

Dubuque Regional Airport (10.6 miles)

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Climate (2019–Present)

Dubuque Regional Airport (10.6 miles)

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  • Average Low 2019–2024

    40.1 °F

  • Average 2019–2024

    49.1 °F

  • Average High 2019–2024

    58 °F
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