Westchester Weather Forecast

    • 63
    • 85

    Mostly Cloudy

    • 60
    • 83

    Mostly Cloudy

    • 61
    • 80

    Rain Showers Likely

    • 60
    • 84

    Slight Chance Thunderstorms

    • 57
    • 83

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

Today 29 May Sangamon

Mostly cloudy. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 29 May Sangamon

Mostly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Westchester Temperature Statistics

May Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 7 May, 2026

    39.7 °F

  • Average May

    63.5 °F

  • Highest 27 May, 2026

    87.1 °F

Climate (2021–Present)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
Get WillyWeather+ to remove ads