Jamestown, IL 20 December Weather

Altitude - 151m | 38°44′2″N,89°30′54″W | map (OSM)

Jamestown, IL

°F

3:30 amCloudy19mphS

Thu, December 18, 20254:14 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	33°	34°	36°	41°	50°	52°	45°	40°
wind	12mph	12mph	15mph	16mph	14mph	10mph	8mph	9mph
pressure in	29.41	29.35	29.30	29.28	29.25	29.28	29.42	29.59

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

temperature °F	38°	32°	30°	30°	32°	34°	31°	30°
wind	15mph	18mph	20mph	23mph	22mph	18mph	11mph	7mph
pressure in	29.50	29.56	29.59	29.68	29.74	29.79	29.85	29.88

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

temperature °F	30°	31°	32°	35°	47°	49°	42°	39°
wind	7mph	7mph	7mph	9mph	11mph	9mph	6mph	6mph
pressure in	29.75	29.75	29.77	29.80	29.77	29.74	29.76	29.79

* Jamestown, 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 Jamestown, 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.