Chatham Weather Forecast

    • 36
    • 60

    Sunny

    • 37
    • 66

    Sunny

    • 40
    • 72

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

    • 47
    • 79

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

Today 17 Oct Sangamon

Areas of frost early this morning. Sunny. Highs around 60. Northeast Winds around 5 Mph early this Morning, becoming light and variable.

Tonight 17 Oct Sangamon

Clear. Lows in the mid 30s. Light and variable Winds, becoming south around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Temperature Statistics

October Temperature

Springfield - Abraham Lincoln Capital Airport (11.2 miles)

  • Lowest 5 October, 2026

    42.7 °F

  • Average October

    67.4 °F

  • Highest 13 October, 2026

    92.6 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (11.2 miles)

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

  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.7 °F
Get WillyWeather+ to remove ads