Ethlyn Weather Forecast

    • 63
    • 86

    Sunny

    • 39
    • 83

    Partly Sunny

    • 39
    • 57

    Partly Sunny

    • 42
    • 62

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 39
    • 79

    Mostly Cloudy

Today 21 Mar Lincoln

Sunny. Highs in the upper 80s. Southeast Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 21 Mar Lincoln

Mostly clear. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight.

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Ethlyn Temperature Statistics

March Temperature

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

  • Lowest 16 March, 2026

    20.6 °F

  • Average March

    49.9 °F

  • Highest 10 March, 2026

    86.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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