Winterset Weather Forecast

    • 45
    • 61

    Increasing Clouds

    • 48
    • 61

    Rain Showers

    • 49
    • 60

    Rain Showers

    • 52
    • 72

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 60
    • 83

    Partly Sunny

Today 20 May Madison

Mostly sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 20 May Madison

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the mid 40s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winterset Temperature Statistics

May Temperature

Des Moines International Airport (23 miles)

  • Lowest 2 May, 2026

    37.7 °F

  • Average May

    61.4 °F

  • Highest 15 May, 2026

    88.6 °F

Climate (2021–Present)

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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