Altoona Weather Forecast

    • 57
    • 77

    Mostly Cloudy

    • 60
    • 78

    Partly Sunny

    • 64
    • 82

    Partly Sunny

    • 67
    • 86

    Slight Chance Thunderstorms

    • 71
    • 89

    Partly Sunny

    • 72
    • 91

    Partly Sunny

    • 70
    • 91

    Chance Thunderstorms

Today 3 Aug Polk

Mostly sunny. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 3 Aug Polk

Mostly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Altoona Temperature Statistics

August Temperature

Ankeny Regional Airport (5.6 miles)

  • Lowest 1 August, 2025

    57.2 °F

  • Average August

    65.6 °F

  • Highest 1 August, 2025

    75.2 °F

Climate (2020–Present)

Ankeny Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    61.7 °F
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