Cortland, IL 31 December Weather

Altitude - 272m | 41°55′12″N,88°41′20″W | map (OSM)

Cortland, IL

°F

1:30 pmFair9mphW

Fri, December 19, 20252:20 PM (GMT -06:00)

Climatic norm in Cortland, IL Dec 31

14°
21°
28°

minimum
average
maximum

Wednesday Dec 31 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	30°	29°	28°	31°	36°	37°	34°	31°
wind	8mph	9mph	10mph	10mph	10mph	9mph	8mph	9mph
pressure in	28.97	28.97	28.98	29.01	29.04	29.07	29.10	29.12

Tuesday Dec 31 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	37°	37°	36°	36°	34°	33°	31°
wind	8mph	13mph	16mph	17mph	18mph	18mph	14mph	14mph
pressure in	28.70	28.65	28.65	28.70	28.75	28.83	28.91	28.98

Sunday Dec 31 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	29°	28°	28°	31°	32°	30°	29°
wind	7mph	7mph	9mph	9mph	11mph	12mph	13mph	11mph
pressure in	28.87	28.87	28.90	28.94	28.96	29.00	29.08	29.15

* Cortland, IL weather for December 31 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 Cortland, IL Weather for December 31, 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 31 for previous years is presented.