Springfield Lake Shore Improvement Weather Forecast

    • 64
    • 86

    Chance Thunderstorms

    • 57
    • 68

    Chance Rain Showers

    • 53
    • 69

    Mostly Cloudy

    • 53
    • 72

    Partly Sunny

    • 56
    • 74

    Mostly Cloudy

    • 56
    • 75

    Mostly Cloudy

    • 58
    • 77

    Mostly Cloudy

Today 20 Sep Sangamon

Partly sunny. Highs in the lower 80s.

Tonight 20 Sep Sangamon

Cloudy with a chance of Showers. A chance of Thunderstorms, mainly this evening. Lows in the lower 60s. Northeast Winds around 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Springfield Lake Shore Improvement Temperature Statistics

September Temperature

Springfield - Abraham Lincoln Capital Airport (9.9 miles)

  • Lowest 14 September, 2026

    56.6 °F

  • Average September

    79.8 °F

  • Highest 2 September, 2026

    100.7 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (9.9 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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