Hesper Weather Forecast

    • 61
    • 69

    Rain Showers

    • 59
    • 70

    Rain Showers Likely

    • 48
    • 65

    Chance Rain Showers

    • 43
    • 63

    Partly Sunny

    • 48
    • 63

    Partly Sunny

    • 41
    • 63

    Mostly Sunny

Today 29 Sep Winneshiek

Partly sunny this Morning, then cloudy with a chance of Showers this afternoon. Highs in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 29 Sep Winneshiek

A slight chance of Thunderstorms. Showers. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hesper Temperature Statistics

September Temperature

Decorah (13.7 miles)

  • Lowest 23 September, 2026

    46.4 °F

  • Average September

    65.6 °F

  • Highest 4 September, 2026

    87.8 °F

Climate (2021–2026)

Decorah (13.7 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56.4 °F
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