Winterset Weather Forecast

    • 61
    • 77

    Becoming Sunny

    • 66
    • 81

    Mostly Sunny

    • 64
    • 82

    Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 61
    • 76

    Partly Sunny

    • 64
    • 80

    Slight Chance Thunderstorms

    • 63
    • 79

    Partly Sunny

Today 16 Aug Madison

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the mid 70s. North Winds around 10 Mph.

Tonight 16 Aug Madison

Partly cloudy this Evening, then becoming mostly clear. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

August Temperature

Des Moines International Airport (23 miles)

  • Lowest 8 August, 2026

    62.7 °F

  • Average August

    76 °F

  • Highest 11 August, 2026

    92.6 °F

Climate (2021–2026)

Des Moines International Airport (23 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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