Lower Beaver Weather Forecast

    • 63
    • 80

    Rain Showers Likely

    • 61
    • 79

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

    • 64
    • 83

    Chance Rain Showers

    • 60
    • 83

    Slight Chance Thunderstorms

    • 58
    • 78

    Mostly Sunny

Today 18 Sep Polk

Partly sunny with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Sep Polk

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the mid 60s. South Winds around 5 Mph. Chance of rain 40 percent.

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Lower Beaver Temperature Statistics

September Temperature

Ankeny Regional Airport (5.6 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    67.3 °F

  • Highest 13 September, 2025

    96.8 °F

Climate (2020–Present)

Ankeny Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.7 °F
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