Femme Osage Weather Forecast

    • 61
    • 92

    Rain Showers

    • 62
    • 83

    Chance Rain Showers

    • 65
    • 83

    Rain Showers

    • 55
    • 77

    Chance Rain Showers

    • 56
    • 77

    Slight Chance Rain Showers

    • 58
    • 80

    Slight Chance Thunderstorms

Today 11 Jun St. Charles

Mostly sunny. Highs in the mid 90s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 104.

Tonight 11 Jun St. Charles

Showers with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Cooler with Lows in the mid 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain near 100 percent. Heat index Values up to 101 early in the evening.

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Femme Osage Temperature Statistics

June Temperature

Washington Regional Airport (4.3 miles)

  • Lowest 3 June, 2026

    53.6 °F

  • Average June

    75.4 °F

  • Highest 5 June, 2026

    87.8 °F

Climate (2021–Present)

Washington Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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