Williams Boulevard Weather Forecast

    • 73
    • 92

    Rain Showers

    • 70
    • 93

    Chance Rain Showers

    • 72
    • 92

    Partly Sunny

    • 70
    • 95

    Chance Rain Showers

    • 67
    • 87

    Chance Rain Showers

    • 63
    • 82

    Slight Chance Rain Showers

Today 16 Sep Sangamon

Partly sunny with a slight chance of Thunderstorms. Showers Likely, mainly in the morning. Humid with Highs in the lower 90s. East Winds around 5 Mph. Chance of rain 70 percent. Heat index Values up to 101 in the afternoon.

Tonight 16 Sep Sangamon

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the lower 70s. East Winds around 5 Mph, becoming south around 5 Mph after midnight.

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Williams Boulevard Temperature Statistics

September Temperature

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

  • Lowest 13 September, 2026

    57.9 °F

  • Average September

    79.7 °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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