Hannen Lake Weather Forecast

    • 12
    • 36

    Becoming Sunny

    • 24
    • 32

    Partly Sunny

    • 33
    • 42

    Mostly Cloudy

    • 29
    • 43

    Mostly Cloudy

    • 40
    • 48

    Mostly Cloudy

    • 32
    • 56

    Partly Sunny

Today 20 Dec Benton

Mostly cloudy this Morning, then clearing. Not as cool with Highs in the mid 30s. Temperature falling into the upper 20s this afternoon. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Benton

Clear. Lows around 12. Northwest Winds 5 to 10 Mph.

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Hannen Lake Temperature Statistics

December Temperature

Cedar Rapids Airport (19.9 miles)

  • Lowest 4 December, 2025

    -9 °F

  • Average December

    19.1 °F

  • Highest 18 December, 2025

    42.1 °F

Climate (2020–Present)

Cedar Rapids Airport (19.9 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    61 °F
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