Calmar Weather Forecast

    • 44
    • 68

    Increasing Clouds

    • 48
    • 60

    Rain Showers Likely

    • 52
    • 59

    Chance Rain Showers

    • 59
    • 71

    Mostly Cloudy

    • 52
    • 73

    Chance Rain Showers

    • 43
    • 66

    Slight Chance Rain Showers

    • 41
    • 59

    Mostly Sunny

Today 13 Oct Winneshiek

Mostly sunny. Highs in the mid 60s. North Winds 5 to 10 Mph.

Tonight 13 Oct Winneshiek

Partly cloudy. Colder with Lows in the mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calmar Temperature Statistics

October Temperature

Decorah (9.3 miles)

  • Lowest 8 October, 2025

    35.6 °F

  • Average October

    62.3 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Decorah (9.3 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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