Williams Boulevard Weather Forecast

    • 70
    • 93

    Chance Thunderstorms

    • 62
    • 81

    Rain Showers Likely

    • 66
    • 87

    Mostly Sunny

    • 67
    • 91

    Chance Rain Showers

    • 67
    • 87

    Chance Rain Showers

    • 68
    • 89

    Chance Rain Showers

Today 9 Sep Sangamon

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 101.

Tonight 9 Sep Sangamon

Mostly clear and not as cool. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Williams Boulevard Temperature Statistics

September Temperature

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

  • Lowest 6 September, 2026

    66.9 °F

  • Average September

    85.6 °F

  • Highest 2 September, 2026

    100.7 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.7 °F
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