Koster, IL 19 December Weather

Altitude - 194m | 41°5′31″N,87°41′6″W | map (OSM)

Koster, IL

°F

11:30 pmPartly Cloudy10mphSE

Wed, December 17, 202511:55 PM (GMT -06:00)

Friday Dec 19 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	21°	17°	15°	16°	20°	22°	22°	22°
wind	23mph	23mph	21mph	20mph	16mph	10mph	4mph	6mph
pressure in	28.89	28.97	29.07	29.19	29.26	29.30	29.32	29.28

Thursday Dec 19 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	25°	25°	25°	28°	31°	32°	31°	33°
wind	2mph	1mph	2mph	6mph	10mph	12mph	9mph	8mph
pressure in	29.66	29.65	29.63	29.62	29.51	29.42	29.38	29.31

Tuesday Dec 19 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	21°	20°	17°	22°	29°	30°	29°	29°
wind	8mph	6mph	4mph	7mph	11mph	12mph	11mph	10mph
pressure in	29.50	29.53	29.57	29.61	29.59	29.54	29.55	29.57

* Koster, IL weather for December 19 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 Koster, IL Weather for December 19, 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 19 for previous years is presented.