Chatham Weather Forecast
- 68
- 79
Mostly Cloudy
- 67
- 84
Isolated Thunderstorms
- 71
- 88
Chance Thunderstorms
- 66
- 85
Thunderstorms Likely
- 64
- 82
Mostly Sunny
- 71
- 86
Mostly Sunny
- 74
- 91
Mostly Sunny
Today 15 Jun Sangamon
Mostly cloudy. Near steady temperature in the upper 70s. Northeast Winds around 5 Mph.
Tonight 15 Jun Sangamon
Mostly cloudy. Lows in the upper 60s. East Winds around 5 Mph.
Chatham Temperature Statistics
June Temperature
Springfield - Abraham Lincoln Capital Airport (11.2 miles)
Lowest 2 June, 2025
52.6 °FAverage June
69.7 °FHighest 11 June, 2025
87.7 °F
Climate (2020–Present)
Springfield - Abraham Lincoln Capital Airport (11.2 miles)
Average Low 2020–2025
44.7 °FAverage 2020–2025
55 °FAverage High 2020–2025
64.8 °F