Femme Osage Weather Forecast

    • 12
    • 24

    Decreasing Clouds

    • 25
    • 42

    Partly Sunny

    • 26
    • 38

    Chance Snow

    • 17
    • 32

    Mostly Cloudy

    • 24
    • 33

    Partly Sunny

    • 32
    • 44

    Mostly Cloudy

Today 4 Dec St. Charles

Partly sunny. Cooler with Highs in the lower 20s. North Winds 5 to 10 Mph. Wind chill Values as low as 4 above.

Tonight 4 Dec St. Charles

Partly cloudy. Lows around 11. Northeast Winds around 5 Mph, becoming south after midnight.

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Femme Osage Temperature Statistics

December Temperature

Washington Regional Airport (4.3 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    25.7 °F

  • Highest 2 December, 2025

    28.4 °F

Climate (2020–Present)

Washington Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    69 °F
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