Winona Municipal-Max Conrad Field Weather Forecast

    • 45
    • 64

    Decreasing Clouds

    • 50
    • 67

    Mostly Cloudy

    • 50
    • 72

    Slight Chance Rain Showers

    • 54
    • 79

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

    • 60
    • 84

    Slight Chance Thunderstorms

Today 21 May Winona

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

Tonight 21 May Winona

Mostly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph.

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Winona Municipal-Max Conrad Field Temperature Statistics

May Temperature

Winona, Winona Municipal Airport-Max Conrad Field (0 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    55.1 °F

  • Highest 15 May, 2026

    87.8 °F

Climate (2021–Present)

Winona, Winona Municipal Airport-Max Conrad Field (0 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.6 °F
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