De Witt Weather Forecast

    • 65
    • 93

    Increasing Clouds

    • 60
    • 83

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

    • 66
    • 93

    Chance Rain Showers

    • 59
    • 82

    Slight Chance Rain Showers

    • 61
    • 83

    Mostly Sunny

Today 5 Sep De Witt

Sunny, hot. Near steady temperature in the lower 90s. North Winds around 10 Mph. Heat index Values up to 105.

Tonight 5 Sep De Witt

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

De Witt Temperature Statistics

September Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (21.1 miles)

  • Lowest 2 September, 2026

    72 °F

  • Average September

    83 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (21.1 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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