Winterset Weather Forecast

    • 62
    • 82

    Thunderstorms

    • 57
    • 72

    Rain Showers Likely

    • 62
    • 80

    Mostly Sunny

    • 66
    • 85

    Mostly Sunny

    • 69
    • 85

    Mostly Sunny

    • 72
    • 87

    Chance Rain Showers

    • 70
    • 88

    Slight Chance Thunderstorms

Today 4 Aug Madison

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 4 Aug Madison

A chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Locally heavy rainfall possible after midnight. Humid with Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

August Temperature

Des Moines International Airport (23 miles)

  • Lowest 1 August, 2026

    63.6 °F

  • Average August

    74 °F

  • Highest 2 August, 2026

    84 °F

Climate (2021–2026)

Des Moines International Airport (23 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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