Saint Charles Weather Forecast

    • 51
    • 73

    Mostly Cloudy

    • 55
    • 61

    Rain Showers

    • 44
    • 68

    Rain Showers

    • 44
    • 63

    Mostly Cloudy

    • 49
    • 65

    Slight Chance Rain Showers

    • 49
    • 64

    Chance Rain Showers

    • 49
    • 68

    Partly Sunny

Today 7 May St. Charles

Breezy. Partly sunny with a 20 percent chance of Showers. High in the upper 60s to mid 70s. Temperature falling into the 60s by late afternoon. West wind 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 7 May St. Charles

Mostly cloudy. A 20 percent chance of Showers after midnight. Low in the mid 40s to lower 50s. Northwest wind around 10 Mph in the evening shifting to the east after midnight.

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Saint Charles Temperature Statistics

May Temperature

St. Louis Lambert International Airport (6.2 miles)

  • Lowest 5 May, 2021

    46 °F
  • Average May

    65.5 °F
  • Highest 1 May, 2021

    86 °F

Climate (2010–Present)

St. Louis Lambert International Airport (6.2 miles)

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  • Average Low 2010–Present

    48 °F
  • Average 2010–Present

    56.4 °F
  • Average High 2010–Present

    65.1 °F
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