Winterset Weather Forecast

    • 62
    • 85

    Rain Showers

    • 66
    • 85

    Rain Showers

    • 57
    • 85

    Rain Showers

    • 45
    • 66

    Mostly Cloudy

    • 45
    • 64

    Mostly Cloudy

    • 48
    • 67

    Mostly Cloudy

    • 53
    • 72

    Slight Chance Thunderstorms

Today 16 May Madison

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 16 May Madison

A chance of Showers and Thunderstorms this Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes this evening. Lows in the lower 60s. Southeast Winds around 10 Mph. Chance of rain 90 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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