William E. Koenig Airport Weather Forecast

    • 11
    • 28

    Mostly Cloudy

    • 3
    • 14

    Partly Sunny

    • 3
    • 18

    Partly Sunny

    • 6
    • 14

    Mostly Sunny

    • 22
    • 33

    Mostly Cloudy

    • 19
    • 36

    Mostly Cloudy

Today 18 Jan Jersey

Mostly cloudy in the Morning, then becoming partly sunny. Much cooler with Highs in the upper 20s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 Jan Jersey

Mostly cloudy. Much cooler with Lows around 10 above. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 5 below.

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William E. Koenig Airport Temperature Statistics

January Temperature

St. Charles, St. Charles County Smartt Airport (8.1 miles)

  • Lowest 9 January, 2025

    0.8 °F

  • Average January

    25.1 °F

  • Highest 2 January, 2025

    44.7 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (8.1 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    68.1 °F
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