Clinton Lake State Recreation Area Weather Forecast

    • 22
    • 27

    Increasing Clouds

    • 21
    • 46

    Decreasing Clouds

    • 23
    • 34

    Partly Sunny

    • 37
    • 43

    Mostly Cloudy

    • 37
    • 53

    Mostly Cloudy

    • 50
    • 56

    Mostly Cloudy

    • 43
    • 67

    Partly Sunny

Today 19 Dec De Witt

Sunny and much cooler. Near steady temperature in the mid 20s. Southwest Winds 5 to 10 Mph.

Tonight 19 Dec De Witt

Mostly clear this Evening, then becoming mostly cloudy. Lows in the lower 20s. Temperature rising to around 30 after midnight. South Winds 15 to 20 Mph.

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Clinton Lake State Recreation Area Temperature Statistics

December Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (21.7 miles)

  • Lowest 14 December, 2025

    -9 °F

  • Average December

    22.1 °F

  • Highest 10 December, 2025

    39.9 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (21.7 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.2 °F
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