Calmar Weather Forecast

    • 36
    • 61

    Mostly Sunny

    • 32
    • 55

    Chance Rain/Snow

    • 24
    • 40

    Chance Snow Showers

    • 31
    • 46

    Rain Showers

    • 27
    • 42

    Chance Snow Showers

    • 29
    • 42

    Rain/Snow Likely

Today 9 Mar Winneshiek

Mostly sunny. Highs in the lower 60s. West Winds 5 to 10 Mph, becoming north this afternoon.

Tonight 9 Mar Winneshiek

Mostly clear. Lows in the mid 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calmar Temperature Statistics

March Temperature

Decorah (9.3 miles)

  • Lowest 1 March, 2026

    12.2 °F

  • Average March

    35.8 °F

  • Highest 6 March, 2026

    59 °F

Climate (2021–Present)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    56.8 °F
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