Waterloo Weather Forecast

    • 60
    • 80

    Partly Sunny

    • 43
    • 73

    Rain Showers Likely

    • 32
    • 50

    Partly Sunny

    • 46
    • 59

    Mostly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 36
    • 68

    Rain Showers Likely

Today 14 Mar Johnson

Partly cloudy in the Morning, then clearing. Breezy with Highs around 80. South Winds 15 to 25 Mph. Gusts up to 30 Mph, increasing to 40 Mph in the afternoon.

Tonight 14 Mar Johnson

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

    42.6 °F

  • Highest 11 March, 2025

    71.1 °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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