University of Illinois Springfield Weather Forecast

    • 74
    • 94

    Decreasing Clouds

    • 73
    • 91

    Chance Thunderstorms

    • 70
    • 90

    Rain Showers Likely

    • 71
    • 86

    Slight Chance Thunderstorms

    • 75
    • 92

    Partly Sunny

    • 70
    • 91

    Chance Thunderstorms

Today 11 Aug Sangamon

Partly sunny. Near steady temperature in the lower 90s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Heat index Values up to 104.

Tonight 11 Aug Sangamon

Partly cloudy. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph.

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University of Illinois Springfield Temperature Statistics

August Temperature

Springfield - Abraham Lincoln Capital Airport (8.7 miles)

  • Lowest 3 August, 2026

    60.7 °F

  • Average August

    75.4 °F

  • Highest 8 August, 2026

    89.7 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (8.7 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
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