Waterloo Weather Forecast

    • 67
    • 90

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

Today 13 Jul Black Hawk

Sunny. Highs around 90. West Winds around 5 Mph.

Tonight 13 Jul Black Hawk

Mostly clear. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph.

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Waterloo Temperature Statistics

July Temperature

Waterloo, Waterloo Municipal Airport (5 miles)

  • Lowest 5 July, 2026

    65.6 °F

  • Average July

    77.1 °F

  • Highest 1 July, 2026

    90.6 °F

Climate (2021–2026)

Waterloo, Waterloo Municipal Airport (5 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.9 °F
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