Winterset Weather Forecast

    • 78
    • 98

    Slight Chance Thunderstorms

    • 72
    • 96

    Mostly Sunny

    • 69
    • 91

    Partly Sunny

    • 68
    • 92

    Mostly Sunny

    • 68
    • 88

    Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

Today 26 Jul Madison

Mostly sunny. Hot with Highs in the upper 90s. Southwest Winds 10 to 15 Mph. Heat index Values up to 111.

Tonight 26 Jul Madison

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 109 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

July Temperature

Des Moines International Airport (23 miles)

  • Lowest 22 July, 2026

    61.6 °F

  • Average July

    78.4 °F

  • Highest 20 July, 2026

    98.7 °F

Climate (2021–2026)

Des Moines International Airport (23 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.5 °F
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