Calmar Weather Forecast

    • 68
    • 80

    Rain Showers

    • 64
    • 82

    Partly Sunny

    • 64
    • 81

    Chance Thunderstorms

    • 65
    • 82

    Chance Thunderstorms

    • 64
    • 83

    Chance Rain Showers

    • 66
    • 83

    Chance Rain Showers

    • 63
    • 82

    Chance Rain Showers

Today 5 Jul Winneshiek

Cloudy with scattered Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 5 Jul Winneshiek

Mostly cloudy. Numerous Showers and scattered Thunderstorms this evening. Lows in the upper 60s. West Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calmar Temperature Statistics

July Temperature

Decorah (9.3 miles)

  • Lowest 1 July, 2025

    60.8 °F

  • Average July

    74.1 °F

  • Highest 3 July, 2025

    86 °F

Climate (2020–Present)

Decorah (9.3 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    56.4 °F
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