St Charles Weather Forecast

    • 42
    • 61

    Slight Chance Rain Showers

    • 55
    • 75

    Rain Showers Likely

    • 59
    • 80

    Rain Showers Likely

    • 46
    • 66

    Rain Showers

    • 43
    • 57

    Chance Rain Showers

    • 48
    • 65

    Partly Sunny

    • 53
    • 73

    Partly Sunny

Today 2 May St. Charles

Partly sunny with a 20 percent chance of Showers. Near steady temperature in the upper 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 2 May St. Charles

Mostly clear. Lows around 40. Northwest Winds 5 to 10 Mph, becoming south after midnight.

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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 (2021–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2021–2026

    50.6 °F

  • Average 2021–2026

    60.1 °F

  • Average High 2021–2026

    69.6 °F
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