Ethlyn Weather Forecast

    • 75
    • 92

    Increasing Clouds

    • 69
    • 91

    Chance Thunderstorms

    • 66
    • 85

    Partly Sunny

    • 73
    • 89

    Slight Chance Thunderstorms

    • 67
    • 89

    Slight Chance Thunderstorms

    • 63
    • 81

    Slight Chance Thunderstorms

Today 15 Aug Lincoln

Partly sunny. Highs in the lower 90s. Southwest Winds around 5 Mph. Heat index Values up to 106.

Tonight 15 Aug Lincoln

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.

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Ethlyn Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    63.6 °F

  • Average August

    78.5 °F

  • Highest 13 August, 2026

    96.1 °F

Climate (2021–2026)

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

    69 °F
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