Waterloo Weather Forecast

    • 56
    • 78

    Chance Rain Showers

    • 54
    • 69

    Rain Showers Likely

    • 55
    • 77

    Partly Sunny

    • 58
    • 78

    Chance Thunderstorms

    • 56
    • 78

    Partly Sunny

    • 56
    • 78

    Partly Sunny

Today 20 Jun Black Hawk

Sunny. Near steady temperature in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 20 Jun Black Hawk

Mostly cloudy. A slight chance of Showers after midnight. Lows in the mid 50s. North Winds around 5 Mph, becoming east after midnight. Chance of rain 20 percent.

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  • Temperature Real-Time

Waterloo Temperature Statistics

June Temperature

Waterloo, Waterloo Municipal Airport (5 miles)

  • Lowest 15 June, 2026

    46.7 °F

  • Average June

    70.6 °F

  • Highest 6 June, 2026

    87.7 °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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