Bluffton Weather Forecast

    • 74
    • 88

    Slight Chance Thunderstorms

    • 72
    • 91

    Chance Rain Showers

    • 67
    • 84

    Rain Showers Likely

    • 67
    • 86

    Slight Chance Thunderstorms

    • 68
    • 86

    Slight Chance Thunderstorms

    • 69
    • 90

    Slight Chance Thunderstorms

Today 22 Jul Winneshiek

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then partly sunny in the afternoon. Humid with Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 100 in the afternoon.

Tonight 22 Jul Winneshiek

Partly cloudy. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph. Heat index Values up to 100 early in the evening.

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Bluffton Temperature Statistics

July Temperature

Decorah (11.8 miles)

  • Lowest 18 July, 2025

    53.6 °F
  • Average July

    72.4 °F
  • Highest 4 July, 2025

    87.8 °F

Climate (2020–Present)

Decorah (11.8 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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