Winterset Weather Forecast

    • 65
    • 84

    Rain Showers Likely

    • 54
    • 84

    Rain Showers

    • 44
    • 63

    Mostly Cloudy

    • 46
    • 63

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 54
    • 72

    Slight Chance Thunderstorms

Today 17 May Madison

Cloudy with Showers likely with a chance of Thunderstorms this Morning, then partly sunny this afternoon. Windy with Highs in the mid 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph, increasing to 20 to 30 Mph with Gusts up to 40 Mph this afternoon. Chance of rain 70 percent.

Tonight 17 May Madison

Partly cloudy in the Evening, then becoming cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Breezy with Lows in the mid 60s. South Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

May Temperature

Des Moines International Airport (23 miles)

  • Lowest 2 May, 2026

    37.7 °F

  • Average May

    59 °F

  • Highest 4 May, 2026

    82.7 °F

Climate (2021–Present)

Des Moines International Airport (23 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.5 °F
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