St Charles Weather Forecast

    • 28
    • 48

    Becoming Sunny

    • 28
    • 47

    Mostly Sunny

    • 29
    • 44

    Partly Sunny

    • 31
    • 45

    Mostly Sunny

    • 33
    • 49

    Mostly Sunny

    • 35
    • 54

    Mostly Sunny

Today 4 Dec St. Charles

Mostly sunny. High around 50. West wind around 10 Mph.

Tonight 4 Dec St. Charles

Clear. Low in the upper 20s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Charles Temperature Statistics

December Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 1 December, 2020

    21.9 °F
  • Average December

    33 °F
  • Highest 2 December, 2020

    48.9 °F

Climate (2010–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2010–Present

    50.4 °F
  • Average 2010–Present

    59 °F
  • Average High 2010–Present

    68 °F
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