Waterloo Regional Airport Weather Forecast

    • 24
    • 40

    Increasing Clouds

    • 30
    • 38

    Cloudy

    • 34
    • 39

    Cloudy

    • 33
    • 46

    Mostly Cloudy

    • 14
    • 48

    Mostly Cloudy

    • 4
    • 22

    Partly Sunny

Today 23 Dec Black Hawk

Mostly sunny. Highs in the upper 30s. Northwest Winds 5 to 10 Mph.

Tonight 23 Dec Black Hawk

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. North Winds around 5 Mph, becoming east after midnight.

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Waterloo Regional Airport Temperature Statistics

December Temperature

Waterloo, Waterloo Municipal Airport (0 miles)

  • Lowest 4 December, 2025

    -13 °F

  • Average December

    18.5 °F

  • Highest 9 December, 2025

    44.1 °F

Climate (2020–Present)

Waterloo, Waterloo Municipal Airport (0 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    61.6 °F
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