Femme Osage Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 47
    • 74

    Sunny

    • 55
    • 75

    Partly Sunny

    • 64
    • 86

    Chance Thunderstorms

    • 64
    • 89

    Chance Rain Showers

    • 68
    • 89

    Chance Thunderstorms

Today 12 May St. Charles

Sunny. Highs in the lower 80s. Southwest Winds 10 to 15 Mph.

Tonight 12 May St. Charles

Mostly clear. Lows in the lower 50s. Southeast Winds around 5 Mph.

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Femme Osage Temperature Statistics

May Temperature

Washington Regional Airport (4.3 miles)

  • Lowest 7 May, 2026

    39.2 °F

  • Average May

    59.6 °F

  • Highest 4 May, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.6 °F
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