Waterloo Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 42
    • 72

    Rain Showers Likely

    • 32
    • 50

    Partly Sunny

    • 47
    • 60

    Mostly Sunny

    • 55
    • 70

    Mostly Cloudy

Today 13 Mar Johnson

Partly cloudy this Morning, then clearing. Highs in the mid 70s. East Winds 5 to 10 Mph.

Tonight 13 Mar Johnson

Mostly clear. Not as cool with Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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Waterloo Temperature Statistics

March Temperature

Indianapolis International Airport (11.8 miles)

  • Lowest 2 March, 2025

    15.9 °F

  • Average March

    40.7 °F

  • Highest 10 March, 2025

    66.9 °F

Climate (2020–Present)

Indianapolis International Airport (11.8 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.4 °F
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