Winterset Weather Forecast

    • 62
    • 80

    Chance Thunderstorms

    • 59
    • 82

    Partly Sunny

    • 58
    • 80

    Partly Sunny

    • 60
    • 81

    Partly Sunny

    • 64
    • 84

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

Today 31 May Madison

Mostly sunny. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph.

Tonight 31 May Madison

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 60s. East Winds 5 to 10 Mph. Chance of rain 40 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

    63.9 °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

    63.6 °F
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