Clinton Lake State Recreation Area Weather Forecast

    • 56
    • 67

    Cloudy

    • 56
    • 75

    Mostly Cloudy

    • 51
    • 70

    Partly Sunny

    • 54
    • 69

    Mostly Cloudy

    • 55
    • 72

    Partly Sunny

    • 58
    • 77

    Mostly Sunny

Today 23 Sep De Witt

Cloudy. Near steady temperature in the mid 60s. Northeast Winds around 15 Mph.

Tonight 23 Sep De Witt

Mostly cloudy. Lows in the mid 50s. Northeast Winds 10 to 15 Mph.

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Clinton Lake State Recreation Area Temperature Statistics

September Temperature

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

  • Lowest 14 September, 2026

    52 °F

  • Average September

    74.3 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.7 °F
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