St Charles Weather Forecast

    • 61
    • 77

    Decreasing Clouds

    • 59
    • 83

    Rain Showers Likely

    • 61
    • 75

    Chance Thunderstorms

    • 66
    • 81

    Rain Showers Likely

    • 63
    • 85

    Rain Showers Likely

    • 61
    • 83

    Chance Thunderstorms

Today 3 May St. Charles

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then partly sunny this afternoon. Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 3 May St. Charles

Partly cloudy. Lows around 60. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

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St Charles Temperature Statistics

May Temperature

St. Louis Lambert International Airport (7.5 miles)

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  • Average May

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Climate (2019–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2019–2024

    50.1 °F

  • Average 2019–2024

    59 °F

  • Average High 2019–2024

    68.3 °F
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