Chelsea, MT 15 December Weather

Altitude - 591m | 48°7′59″N,105°20′17″W | map (OSM)

Chelsea, MT

-7

°F

4:30 pmFair5mphE

Sat, December 13, 20255:06 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	29°	26°	25°	27°	34°	36°	36°	37°
wind	9mph	8mph	5mph	6mph	7mph	9mph	11mph	15mph
pressure in	27.85	27.88	27.91	27.90	27.83	27.73	27.64	27.55

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

temperature °F	27°	27°	28°	30°	32°	34°	33°	30°
wind	3mph	2mph	2mph	4mph	9mph	13mph	15mph	15mph
pressure in	27.70	27.68	27.68	27.69	27.69	27.70	27.76	27.81

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

temperature °F	21°	21°	20°	24°	33°	35°	25°	18°
wind	3mph	6mph	4mph	3mph	7mph	6mph	3mph	2mph
pressure in	28.10	28.15	28.21	28.28	28.31	28.30	28.28	28.22

* Chelsea, MT 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 Chelsea, MT 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.