Lower Beaver Weather Forecast

    • 77
    • 94

    Becoming Sunny

    • 74
    • 94

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

    • 71
    • 89

    Chance Rain Showers

    • 74
    • 89

    Slight Chance Thunderstorms

    • 72
    • 93

    Chance Rain Showers

Today 3 Sep Polk

Mostly sunny. Highs in the mid 90s. Southwest Winds 10 to 15 Mph. Heat index Values up to 103.

Tonight 3 Sep Polk

Mostly clear. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 101 early in the evening.

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Lower Beaver Temperature Statistics

September Temperature

Ankeny Regional Airport (5.6 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    82.8 °F

  • Highest 1 September, 2026

    95 °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

    62.3 °F
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