Chatham Weather Forecast

    • 58
    • 74

    Mostly Sunny

    • 47
    • 80

    Rain Showers

    • 34
    • 63

    Rain Showers

    • 41
    • 50

    Mostly Cloudy

    • 35
    • 58

    Mostly Cloudy

    • 38
    • 52

    Mostly Cloudy

Today 9 Mar Sangamon

Sunny. Not as cool with Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Mar Sangamon

Mostly clear. Not as cool with Lows in the upper 50s. South Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Temperature Statistics

March Temperature

Springfield - Abraham Lincoln Capital Airport (11.2 miles)

  • Lowest 1 March, 2026

    22.6 °F

  • Average March

    44.5 °F

  • Highest 6 March, 2026

    79 °F

Climate (2021–Present)

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

    55.3 °F

  • Average High 2021–2026

    65.3 °F
Get WillyWeather+ to remove ads