Westchester Weather Forecast

    • 50
    • 68

    Rain Showers Likely

    • 53
    • 80

    Chance Rain Showers

    • 43
    • 67

    Partly Sunny

    • 46
    • 69

    Mostly Sunny

    • 51
    • 75

    Slight Chance Thunderstorms

    • 49
    • 73

    Mostly Sunny

Today 8 May Sangamon

Showers likely with a chance of Thunderstorms. Near steady temperature in the mid 60s. West Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 8 May Sangamon

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows around 50. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westchester Temperature Statistics

May Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 1 May, 2026

    41.6 °F

  • Average May

    55.3 °F

  • Highest 4 May, 2026

    78.7 °F

Climate (2021–Present)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65.5 °F
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