Hesper Weather Forecast

    • 13
    • 25

    Increasing Clouds

    • 22
    • 37

    Partly Sunny

    • 31
    • 35

    Rain Likely

    • -2
    • 34

    Chance Snow

    • 18
    • 27

    Mostly Cloudy

    • 10
    • 33

    Mostly Cloudy

Today 15 Dec Winneshiek

Mostly sunny. Not as cool with Highs in the mid 20s. West Winds 5 to 10 Mph.

Tonight 15 Dec Winneshiek

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Areas of freezing fog after midnight. Not as cold with Lows around 13. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hesper Temperature Statistics

December Temperature

Decorah (13.7 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    16.5 °F

  • Highest 9 December, 2025

    37.4 °F

Climate (2020–Present)

Decorah (13.7 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.6 °F
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