Femme Osage Weather Forecast

    • 54
    • 84

    Rain Showers Likely

    • 58
    • 73

    Mostly Sunny

    • 50
    • 70

    Chance Rain Showers

    • 50
    • 74

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 55
    • 76

    Slight Chance Rain Showers

Today 3 Sep St. Charles

Sunny. Highs in the mid 80s. West Winds 5 to 10 Mph.

Tonight 3 Sep St. Charles

Mostly cloudy. Numerous Showers and scattered Thunderstorms in the Evening, then scattered Showers with isolated Thunderstorms after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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Femme Osage Temperature Statistics

September Temperature

Washington Regional Airport (4.3 miles)

  • Lowest

  • Average September

  • Highest

Climate (2020–Present)

Washington Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    47.5 °F
  • Average 2020–2025

    57.9 °F
  • Average High 2020–2025

    68.7 °F
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