Altoona Weather Forecast

    • 58
    • 80

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

    • 61
    • 85

    Slight Chance Thunderstorms

    • 62
    • 83

    Chance Thunderstorms

Today 24 May Polk

Sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 24 May Polk

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altoona Temperature Statistics

May Temperature

Ankeny Regional Airport (5.6 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    60.5 °F

  • Highest 15 May, 2026

    87.8 °F

Climate (2021–Present)

Ankeny Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.3 °F
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