Chatham Weather Forecast
- 57
- 81
Mostly Sunny
- 47
- 85
Rain Showers
- 36
- 57
Chance Rain Showers
- 38
- 60
Mostly Sunny
- 50
- 68
Mostly Sunny
- 53
- 74
Mostly Sunny
Today 16 Apr Sangamon
Sunny. Highs around 80. West Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 16 Apr Sangamon
Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph.
Chatham Temperature Statistics
April Temperature
Springfield - Abraham Lincoln Capital Airport (11.2 miles)
Lowest 7 April, 2026
35.7 °FAverage April
58.7 °FHighest 13 April, 2026
82.9 °F
Climate (2021–Present)
Springfield - Abraham Lincoln Capital Airport (11.2 miles)
Average Low 2021–2026
44.9 °FAverage 2021–2026
55.4 °FAverage High 2021–2026
65.5 °F