St Helena Weather Forecast

    • 45
    • 69

    Chance Rain Showers

    • 38
    • 64

    Chance Rain Showers

    • 40
    • 69

    Mostly Sunny

    • 43
    • 73

    Mostly Sunny

    • 48
    • 76

    Partly Sunny

    • 50
    • 74

    Chance Rain Showers

    • 49
    • 73

    Slight Chance Rain Showers

Today 1 May Cedar

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the mid 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 1 May Cedar

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms after midnight. Lows in the mid 40s. Northwest Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Helena Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (9.9 miles)

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  • Average May

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Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.2 °F
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