Clinton Lake State Recreation Area Weather Forecast

    • 62
    • 83

    Mostly Cloudy

    • 60
    • 83

    Slight Chance Thunderstorms

    • 56
    • 82

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

Today 26 May De Witt

Mostly cloudy. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 26 May De Witt

Mostly cloudy. A slight chance of Showers after midnight. Lows in the lower 60s. East Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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Clinton Lake State Recreation Area Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    37.9 °F

  • Average May

    60 °F

  • Highest 17 May, 2026

    82.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.6 °F
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