Westchester Weather Forecast

    • 23
    • 42

    Rain/Snow Likely

    • 24
    • 35

    Mostly Sunny

    • 34
    • 47

    Partly Sunny

    • 34
    • 52

    Mostly Cloudy

    • 20
    • 39

    Slight Chance Rain/Snow

    • 24
    • 32

    Mostly Cloudy

Today 10 Jan Sangamon

Mostly cloudy with rain likely with a slight chance of snow in the Morning, then mostly sunny with a slight chance of rain and snow Showers in the afternoon. Highs in the lower 40s. Northwest Winds 15 to 20 Mph. Chance of precipitation 60 percent.

Tonight 10 Jan Sangamon

Partly cloudy. Cooler with Lows in the lower 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Westchester Temperature Statistics

January Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 1 January, 2026

    21 °F

  • Average January

    35.7 °F

  • Highest 7 January, 2026

    60.1 °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

    44.9 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    65.1 °F
Get WillyWeather+ to remove ads