O'Leary's Lake Recreation Area Weather Forecast

    • 30
    • 49

    Mostly Sunny

    • 30
    • 42

    Mostly Sunny

    • 32
    • 48

    Chance Rain

    • 23
    • 41

    Partly Sunny

    • 32
    • 37

    Mostly Cloudy

    • 17
    • 47

    Mostly Cloudy

    • 11
    • 26

    Partly Sunny

Today 28 Jan Grant

Mostly sunny. Near steady temperature in the upper 40s. West Winds 15 to 20 Mph with Gusts up to 45 Mph.

Tonight 28 Jan Grant

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. West Winds 10 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Leary's Lake Recreation Area Temperature Statistics

January Temperature

Dubuque Regional Airport (10.6 miles)

  • Lowest 21 January, 2025

    -15.3 °F

  • Average January

    16.5 °F

  • Highest 17 January, 2025

    51.7 °F

Climate (2020–Present)

Dubuque Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    58.5 °F
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