University of Illinois Springfield Weather Forecast

    • 30
    • 35

    Chance Rain

    • 11
    • 34

    Chance Snow

    • 17
    • 26

    Partly Sunny

    • 36
    • 42

    Chance Rain

    • 20
    • 37

    Chance Snow

    • 16
    • 30

    Chance Snow

Today 6 Dec Sangamon

Mostly cloudy. Highs in the mid 30s. West Winds around 5 Mph, becoming south this afternoon.

Tonight 6 Dec Sangamon

Cloudy. A slight chance of freezing rain and snow in the Evening, then a chance of rain after midnight. Lows around 30. Southeast Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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University of Illinois Springfield Temperature Statistics

December Temperature

Springfield - Abraham Lincoln Capital Airport (8.7 miles)

  • Lowest 4 December, 2025

    1.9 °F

  • Average December

    20.7 °F

  • Highest 3 December, 2025

    33.1 °F

Climate (2020–Present)

Springfield - Abraham Lincoln Capital Airport (8.7 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    65.1 °F
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