Waterloo Weather Forecast

    • 60
    • 80

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 69
    • 90

    Mostly Sunny

    • 70
    • 92

    Slight Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 68
    • 86

    Chance Thunderstorms

Today 22 Jul Juniata

Sunny. Highs around 80. Northeast Winds around 5 Mph in the Morning, becoming light and variable.

Tonight 22 Jul Juniata

Mostly clear. Lows in the upper 50s. Light and variable Winds.

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Waterloo Temperature Statistics

July Temperature

Altoona - Blair County Airport (32.3 miles)

  • Lowest 4 July, 2025

    55.7 °F

  • Average July

    75.1 °F

  • Highest 7 July, 2025

    90.6 °F

Climate (2020–Present)

Altoona - Blair County Airport (32.3 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.2 °F
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