Ethlyn Weather Forecast

    • 65
    • 89

    Rain Showers Likely

    • 58
    • 76

    Chance Rain Showers

    • 53
    • 69

    Mostly Cloudy

    • 53
    • 72

    Partly Sunny

    • 57
    • 75

    Mostly Cloudy

    • 58
    • 78

    Slight Chance Rain Showers

Today 20 Sep Lincoln

Partly sunny. A chance of Showers in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 40 percent.

Tonight 20 Sep Lincoln

A chance of Thunderstorms. Showers likely. Lows in the mid 60s. North Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ethlyn Temperature Statistics

September Temperature

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

  • Lowest 14 September, 2026

    60.7 °F

  • Average September

    81.2 °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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