Ethlyn Weather Forecast

    • 65
    • 84

    Thunderstorms Likely

    • 63
    • 81

    Thunderstorms Likely

    • 68
    • 90

    Mostly Sunny

    • 68
    • 89

    Chance Thunderstorms

    • 56
    • 80

    Rain Showers Likely

    • 52
    • 71

    Slight Chance Thunderstorms

    • 54
    • 74

    Slight Chance Thunderstorms

Today 15 May Lincoln

Mostly sunny. Highs in the mid 80s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 May Lincoln

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ethlyn Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    40.6 °F

  • Average May

    60.5 °F

  • Highest 12 May, 2026

    84.7 °F

Climate (2021–Present)

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 °F

  • Average High 2021–2026

    68.9 °F
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