Femme Osage Weather Forecast

    • 11
    • 18

    Sunny

    • 27
    • 43

    Mostly Sunny

    • 35
    • 52

    Partly Sunny

    • 45
    • 55

    Partly Sunny

    • 20
    • 57

    Slight Chance Rain Showers

    • 31
    • 38

    Partly Sunny

    • 33
    • 56

    Mostly Cloudy

Today 14 Dec St. Charles

Sunny, cooler. Near steady temperature around 15. North Winds around 5 Mph.

Tonight 14 Dec St. Charles

Clear. Near steady temperature around 11. East Winds around 5 Mph, becoming south after midnight. Wind chill Values as low as 2 below.

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Femme Osage Temperature Statistics

December Temperature

Washington Regional Airport (4.3 miles)

  • Lowest 3 December, 2025

    14 °F

  • Average December

    33.1 °F

  • Highest 9 December, 2025

    59 °F

Climate (2020–Present)

Washington Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    69 °F
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