Clinton Lake State Recreation Area Weather Forecast

    • 47
    • 68

    Gradual Clearing

    • 43
    • 71

    Becoming Sunny

    • 44
    • 71

    Sunny

    • 51
    • 76

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 59
    • 86

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

Today 5 Sep De Witt

Cloudy. Near steady temperature in the upper 60s. West Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 5 Sep De Witt

Mostly cloudy late this Evening, then becoming partly cloudy. Lows in the upper 40s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Clinton Lake State Recreation Area Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2025

    52 °F

  • Average September

    66.4 °F

  • Highest 2 September, 2025

    81 °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

    52.7 °F

  • Average High 2020–2025

    62 °F
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