Calmar Weather Forecast

    • 52
    • 72

    Chance Thunderstorms

    • 56
    • 77

    Mostly Sunny

    • 50
    • 80

    Chance Rain Showers

    • 56
    • 74

    Chance Thunderstorms

    • 57
    • 77

    Rain Showers Likely

    • 50
    • 71

    Rain Showers Likely

Today 16 May Winneshiek

Showers with a chance of Thunderstorms after Midnight, then mostly cloudy with a chance of Showers and Thunderstorms this morning. Mostly sunny this afternoon. Highs in the lower 70s. South Winds 5 to 10 Mph. Shifting to the west this afternoon. Chance of rain 90 percent.

Tonight 16 May Winneshiek

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. Northwest Winds 5 to 10 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calmar Temperature Statistics

May Temperature

Decorah (9.3 miles)

  • Lowest 5 May, 2024

    41 °F

  • Average May

    58.9 °F

  • Highest 12 May, 2024

    86 °F

Climate (2019–Present)

Decorah (9.3 miles)

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  • Average Low 2019–2024

    39.2 °F

  • Average 2019–2024

    47.6 °F

  • Average High 2019–2024

    55.9 °F
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