Marietta, IL 20 December Weather

Altitude - 200m | 40°30′4″N,90°23′35″W | map (OSM)

Marietta, IL

°F

5:30 pmCloudy23mphNW

Thu, December 18, 20256:21 PM (GMT -06:00)

Climatic norm in Marietta, IL Dec 20

19°
28°
37°

minimum
average
maximum

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

temperature °F	30°	32°	35°	38°	43°	41°	35°	30°
wind	12mph	13mph	12mph	12mph	11mph	11mph	9mph	10mph
pressure in	29.14	29.06	29.02	29.01	29.04	29.13	29.27	29.41

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

temperature °F	28°	28°	27°	27°	30°	29°	27°	26°
wind	18mph	19mph	23mph	23mph	20mph	16mph	8mph	6mph
pressure in	29.32	29.34	29.44	29.54	29.61	29.64	29.69	29.72

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

temperature °F	29°	28°	28°	32°	43°	46°	39°	36°
wind	7mph	7mph	6mph	7mph	6mph	5mph	4mph	4mph
pressure in	29.50	29.50	29.52	29.56	29.55	29.52	29.54	29.57

* Marietta, 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 Marietta, 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.