Williams Boulevard Weather Forecast

    • 57
    • 70

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

    • 54
    • 75

    Mostly Cloudy

    • 57
    • 72

    Mostly Cloudy

    • 57
    • 77

    Partly Sunny

    • 60
    • 80

    Partly Sunny

Today 23 Sep Sangamon

Mostly cloudy. Highs around 70. Northeast Winds 10 to 15 Mph.

Tonight 23 Sep Sangamon

Mostly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Williams Boulevard Temperature Statistics

September Temperature

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

  • Lowest 14 September, 2026

    56.6 °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

    45.1 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.7 °F
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