Bluffton Weather Forecast

    • 56
    • 77

    Chance Thunderstorms

    • 43
    • 71

    Thunderstorms

    • 52
    • 71

    Chance Thunderstorms

    • 50
    • 63

    Chance Thunderstorms

    • 50
    • 66

    Chance Rain Showers

    • 47
    • 68

    Slight Chance Thunderstorms

    • 48
    • 70

    Mostly Sunny

Today 23 May Winneshiek

Mostly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 23 May Winneshiek

Mostly clear this Evening, then mostly cloudy with scattered Showers and Thunderstorms after midnight. Lows in the upper 50s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bluffton Temperature Statistics

May Temperature

Decorah (11.8 miles)

  • Lowest 5 May, 2024

    41 °F
  • Average May

    61.2 °F
  • Highest 18 May, 2024

    87.8 °F

Climate (2019–Present)

Decorah (11.8 miles)

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  • Average Low 2019–2024

    39.2 °F
  • Average 2019–2024

    47.7 °F
  • Average High 2019–2024

    56 °F
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