Union, CO 15 December Weather

Altitude - 1262m | 40°22′37″N,103°30′4″W | map (OSM)

Union, CO

°F

3 pmSunny7mphSW

Wed, December 10, 20253:41 PM (GMT -07:00)

Monday Dec 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	32°	30°	30°	39°	55°	56°	44°	35°
wind	8mph	7mph	6mph	5mph	8mph	7mph	5mph	6mph
pressure in	25.69	25.67	25.70	25.80	25.85	25.81	25.73	25.65

Sunday Dec 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	28°	28°	37°	54°	54°	41°	37°
wind	6mph	7mph	8mph	9mph	19mph	22mph	14mph	19mph
pressure in	25.55	25.52	25.54	25.63	25.68	25.67	25.70	25.77

Friday Dec 15 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	29°	27°	27°	36°	48°	48°	37°	31°
wind	8mph	9mph	8mph	11mph	16mph	16mph	9mph	7mph
pressure in	25.84	25.83	25.85	25.94	25.96	25.94	25.93	25.94

* Union, CO weather for December 15 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 Union, CO Weather for December 15, 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 15 for previous years is presented.