Ethlyn Weather Forecast

    • 39
    • 69

    Sunny

    • 40
    • 72

    Mostly Sunny

    • 43
    • 75

    Partly Sunny

    • 47
    • 78

    Mostly Sunny

    • 49
    • 80

    Mostly Sunny

    • 50
    • 79

    Partly Sunny

Today 18 Oct Lincoln

Patchy frost in the morning. Sunny. Not as cool with Highs in the upper 60s. South Winds around 5 Mph.

Tonight 18 Oct Lincoln

Clear. Lows in the upper 30s. Southeast Winds around 5 Mph.

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Ethlyn Temperature Statistics

October Temperature

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

  • Lowest 4 October, 2026

    44.7 °F

  • Average October

    69.1 °F

  • Highest 12 October, 2026

    93.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69.1 °F
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