Vermillion Weather Forecast

    • 64
    • 90

    Chance Thunderstorms

    • 58
    • 89

    Mostly Sunny

    • 60
    • 87

    Partly Sunny

    • 60
    • 85

    Chance Thunderstorms

    • 58
    • 79

    Chance Thunderstorms

    • 55
    • 79

    Chance Thunderstorms

Today 25 May Clay

Mostly sunny. Highs around 90. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 May Clay

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Lows in the lower 60s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vermillion Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (24.9 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    57.9 °F

  • Highest 15 May, 2026

    88 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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