Waterloo Weather Forecast

    • 45
    • 84

    Increasing Clouds

    • 28
    • 53

    Partly Sunny

    • 38
    • 52

    Partly Sunny

    • 43
    • 61

    Mostly Cloudy

    • 46
    • 64

    Mostly Cloudy

    • 32
    • 62

    Mostly Cloudy

    • 30
    • 48

    Mostly Cloudy

Today 21 Mar Black Hawk

Sunny. Highs in the lower 80s. Southwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 21 Mar Black Hawk

Mostly clear Early, then becoming partly cloudy. Lows in the mid 40s. Southwest Winds 10 to 15 Mph, becoming northeast 15 to 20 Mph after midnight.

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Waterloo Temperature Statistics

March Temperature

Waterloo, Waterloo Municipal Airport (5 miles)

  • Lowest 17 March, 2026

    4.6 °F

  • Average March

    37.1 °F

  • Highest 9 March, 2026

    69.7 °F

Climate (2021–Present)

Waterloo, Waterloo Municipal Airport (5 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.8 °F
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