Altoona Weather Forecast

    • 74
    • 91

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 74
    • 90

    Mostly Sunny

    • 74
    • 97

    Slight Chance Thunderstorms

    • 63
    • 86

    Mostly Sunny

    • 62
    • 82

    Slight Chance Thunderstorms

    • 63
    • 83

    Slight Chance Thunderstorms

Today 17 Jul Polk

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature around 90. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Jul Polk

Mostly clear. Lows in the mid 70s. Southwest Winds 5 to 10 Mph.

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Altoona Temperature Statistics

July Temperature

Ankeny Regional Airport (5.6 miles)

  • Lowest 12 July, 2026

    60.8 °F

  • Average July

    77.9 °F

  • Highest 2 July, 2026

    93.2 °F

Climate (2021–2026)

Ankeny Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.4 °F
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