Calmar Weather Forecast

    • 64
    • 81

    Mostly Sunny

    • 57
    • 74

    Rain Showers Likely

    • 54
    • 72

    Chance Rain Showers

    • 58
    • 77

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 66
    • 81

    Slight Chance Thunderstorms

    • 66
    • 82

    Slight Chance Thunderstorms

Today 3 Aug Winneshiek

Mostly sunny. Near steady temperature around 80. South Winds 5 to 10 Mph.

Tonight 3 Aug Winneshiek

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Calmar Temperature Statistics

August Temperature

Decorah (9.3 miles)

  • Lowest

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  • Average August

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Climate (2021–2026)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56.5 °F
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