Winterset Weather Forecast

    • 49
    • 60

    Chance Rain Showers

    • 52
    • 64

    Chance Rain Showers

    • 52
    • 73

    Partly Sunny

    • 55
    • 78

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 62
    • 83

    Slight Chance Thunderstorms

    • 63
    • 84

    Chance Thunderstorms

Today 21 May Madison

Cloudy. Highs around 60. East Winds around 10 Mph.

Tonight 21 May Madison

Cloudy. A slight chance of Showers early. A slight chance of Showers and Thunderstorms after midnight. Lows around 50. East Winds 5 to 10 Mph. Chance of rain 20 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

    61.3 °F

  • Highest 15 May, 2026

    88.6 °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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