Ethlyn Weather Forecast

    • 10
    • 22

    Decreasing Clouds

    • 23
    • 39

    Partly Sunny

    • 25
    • 36

    Chance Freezing Rain

    • 15
    • 31

    Mostly Cloudy

    • 22
    • 31

    Partly Sunny

    • 31
    • 43

    Mostly Cloudy

Today 4 Dec Lincoln

Mostly sunny. Much cooler with Highs in the lower 20s. Northeast Winds around 5 Mph.

Tonight 4 Dec Lincoln

Partly cloudy in the Evening, then becoming mostly clear. Lows around 10 above. Southeast Winds around 5 Mph.

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Ethlyn Temperature Statistics

December Temperature

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

  • Lowest 2 December, 2025

    17.1 °F

  • Average December

    23.5 °F

  • Highest 2 December, 2025

    26.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
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