Femme Osage Weather Forecast

    • 20
    • 40

    Mostly Cloudy

    • 27
    • 35

    Partly Sunny

    • 40
    • 53

    Mostly Cloudy

    • 27
    • 47

    Chance Rain/Snow

    • 16
    • 38

    Slight Chance Rain/Snow

    • 6
    • 24

    Partly Sunny

Today 7 Dec St. Charles

Mostly cloudy with a slight chance of very light drizzle. Highs in the lower 40s. Temperature falling into the mid 30s. North Winds 10 to 15 Mph.

Tonight 7 Dec St. Charles

Mostly cloudy. A slight chance of snow in the evening. Much cooler with Lows in the lower 20s. North Winds 10 to 15 Mph. Chance of snow 20 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Femme Osage Temperature Statistics

December Temperature

Washington Regional Airport (4.3 miles)

  • Lowest 3 December, 2025

    14 °F
  • Average December

    26.8 °F
  • Highest 5 December, 2025

    46.4 °F

Climate (2020–Present)

Washington Regional Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    47.6 °F
  • Average 2020–2025

    58.1 °F
  • Average High 2020–2025

    69 °F
Get WillyWeather+ to remove ads