Ethlyn Weather Forecast

    • 43
    • 63

    Increasing Clouds

    • 47
    • 73

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 37
    • 78

    Mostly Cloudy

    • 35
    • 53

    Mostly Cloudy

    • 41
    • 60

    Mostly Cloudy

Today 18 Mar Lincoln

Sunny. Not as cool with Highs in the mid 60s. West Winds around 5 Mph.

Tonight 18 Mar Lincoln

Mostly cloudy. Not as cool with Lows in the lower 40s. Light and variable Winds, becoming southwest around 5 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

    19.9 °F

  • Average March

    50.7 °F

  • Highest 10 March, 2026

    84.9 °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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