Ethlyn Weather Forecast

    • 58
    • 76

    Slight Chance Rain Showers

    • 59
    • 77

    Mostly Sunny

    • 66
    • 81

    Mostly Cloudy

    • 68
    • 79

    Rain Showers Likely

    • 63
    • 76

    Rain Showers Likely

    • 60
    • 72

    Chance Rain Showers

Today 27 Sep Lincoln

Mostly cloudy. A chance of Showers in the morning. Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 27 Sep Lincoln

Partly cloudy. Lows in the upper 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Ethlyn Temperature Statistics

September Temperature

St. Charles, St. Charles County Smartt Airport (21.1 miles)

  • Lowest 23 September, 2026

    56.6 °F

  • Average September

    79.1 °F

  • Highest 2 September, 2026

    101.6 °F

Climate (2021–2026)

St. Charles, St. Charles County Smartt Airport (21.1 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69 °F
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