Winterset Weather Forecast

    • 61
    • 90

    Rain Showers Likely

    • 62
    • 86

    Rain Showers Likely

    • 67
    • 88

    Chance Thunderstorms

    • 60
    • 88

    Rain Showers Likely

    • 46
    • 73

    Chance Rain Showers

    • 47
    • 68

    Mostly Cloudy

Today 15 May Madison

Sunny. Highs around 90. South Winds 10 to 15 Mph.

Tonight 15 May Madison

Showers likely with a chance of Thunderstorms. Lows in the lower 60s. South Winds 5 to 10 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

    58.2 °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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