Mammoth, MT 15 December Weather

Altitude - 2180m | 45°40′12″N,112°1′1″W | map (OSM)

Mammoth, MT

°F

5 amClear12mphSW

Sun, December 14, 20255:44 AM (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	38°	38°	38°	40°	46°	48°	46°	46°
wind	11mph	12mph	13mph	14mph	20mph	23mph	20mph	20mph
pressure in	23.01	23.02	23.01	23.01	23.02	23.01	22.98	22.95

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

temperature °F	31°	30°	28°	27°	28°	28°	25°	22°
wind	6mph	8mph	12mph	13mph	13mph	14mph	13mph	13mph
pressure in	22.69	22.69	22.74	22.83	22.89	22.92	22.95	22.95

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

temperature °F	30°	30°	27°	26°	37°	39°	35°	34°
wind	8mph	7mph	7mph	6mph	5mph	5mph	8mph	9mph
pressure in	23.12	23.15	23.14	23.14	23.22	23.21	23.18	23.15

* Mammoth, 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 Mammoth, 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.