Clinton Lake State Recreation Area Weather Forecast

    • 70
    • 89

    Decreasing Clouds

    • 73
    • 91

    Mostly Sunny

    • 74
    • 94

    Mostly Sunny

    • 75
    • 95

    Hot

    • 73
    • 92

    Slight Chance Thunderstorms

    • 69
    • 90

    Partly Sunny

    • 66
    • 87

    Partly Sunny

Today 30 Aug De Witt

Partly sunny. Near steady temperature in the mid 80s. South Winds 10 to 15 Mph.

Tonight 30 Aug De Witt

Partly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Clinton Lake State Recreation Area Temperature Statistics

August Temperature

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

  • Lowest 25 August, 2026

    55.9 °F

  • Average August

    73.3 °F

  • Highest 9 August, 2026

    88 °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

    62.6 °F
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