Winfield Weather Forecast

    • 46
    • 75

    Sunny

    • 51
    • 77

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 62
    • 91

    Mostly Sunny

    • 63
    • 89

    Partly Sunny

Today 7 Sep Lincoln

Sunny. Highs in the mid 70s. North Winds 5 to 10 Mph.

Tonight 7 Sep Lincoln

Clear. Lows in the mid 40s. Northeast Winds around 5 Mph, becoming east around 5 Mph after midnight.

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Winfield Temperature Statistics

September Temperature

St. Charles, St. Charles County Smartt Airport (16.8 miles)

  • Lowest 3 September, 2025

    55.9 °F

  • Average September

    68.6 °F

  • Highest 3 September, 2025

    84.9 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (16.8 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    68.4 °F
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