Winterset Weather Forecast

    • 63
    • 85

    Chance Thunderstorms

    • 70
    • 83

    Rain Showers Likely

    • 73
    • 88

    Slight Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

    • 64
    • 81

    Chance Thunderstorms

    • 62
    • 77

    Slight Chance Thunderstorms

Today 7 Aug Madison

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 7 Aug Madison

Partly sunny Early, then becoming partly cloudy. A slight chance of Showers and Thunderstorms early. Humid with Lows in the lower 60s. Southwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

August Temperature

Des Moines International Airport (23 miles)

  • Lowest 5 August, 2026

    63 °F

  • Average August

    72.3 °F

  • Highest 3 August, 2026

    85.6 °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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