Harper, IL 20 December Weather

Altitude - 287m | 42°8′28″N,89°38′49″W | map (OSM)

Harper, IL

°F

1 pmCloudy12mphW

Thu, December 18, 20251:36 PM (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	26°	29°	32°	35°	37°	37°	31°	27°
wind	13mph	14mph	14mph	12mph	10mph	11mph	11mph	13mph
pressure in	28.79	28.70	28.63	28.64	28.68	28.76	28.87	29.00

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

temperature °F	30°	28°	28°	28°	28°	27°	23°	19°
wind	7mph	16mph	19mph	19mph	18mph	14mph	7mph	6mph
pressure in	28.92	28.99	29.09	29.21	29.28	29.32	29.37	29.40

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

temperature °F	29°	29°	26°	29°	39°	40°	33°	30°
wind	7mph	5mph	4mph	5mph	4mph	4mph	5mph	5mph
pressure in	29.17	29.16	29.19	29.24	29.25	29.24	29.27	29.30

* Harper, 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 Harper, 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.