Winterset Weather Forecast

    • 61
    • 81

    Mostly Sunny

    • 66
    • 82

    Rain Showers Likely

    • 61
    • 80

    Chance Thunderstorms

    • 67
    • 80

    Rain Showers Likely

    • 59
    • 86

    Chance Thunderstorms

    • 59
    • 73

    Chance Rain Showers

Today 10 Sep Madison

Partly sunny in the Morning, then clearing. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 10 Sep Madison

Partly cloudy. Lows in the lower 60s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

September Temperature

Des Moines International Airport (23 miles)

  • Lowest 7 September, 2026

    68 °F

  • Average September

    82.7 °F

  • Highest 1 September, 2026

    96.7 °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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