Chatham, IL 20 December Weather

Altitude - 184m | 41°44′28″N,87°36′47″W | map (OSM)

Chatham, IL

°F

8:30 amShowers in the Vicinity21mphS

Thu, December 18, 20259:05 AM (GMT -06:00)

Saturday Dec 20 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	25°	28°	31°	35°	40°	40°	36°	31°
wind	12mph	15mph	16mph	16mph	14mph	12mph	11mph	14mph
pressure in	29.28	29.19	29.09	29.05	29.05	29.10	29.22	29.33

Friday Dec 20 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	33°	33°	35°	35°	32°	30°	27°
wind	6mph	4mph	15mph	22mph	22mph	21mph	17mph	12mph
pressure in	29.28	29.27	29.33	29.45	29.53	29.61	29.68	29.71

Wednesday Dec 20 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	30°	31°	33°	39°	41°	37°	35°
wind	10mph	8mph	7mph	7mph	6mph	3mph	4mph	3mph
pressure in	29.61	29.61	29.64	29.68	29.66	29.65	29.68	29.70

* Chatham, IL weather for December 20 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Chatham, IL Weather for December 20, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 20 for previous years is presented.