Saint Mary, MT 15 December Weather

Altitude - 1388m | 48°44′38″N,113°25′48″W | map (OSM)

Saint Mary, MT

°F

2:30 amPartly Cloudy14mphSW

Sun, December 14, 20253:12 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	37°	37°	38°	39°	41°	41°	40°	41°
wind	14mph	16mph	20mph	26mph	29mph	23mph	20mph	28mph
pressure in	25.30	25.26	25.20	25.15	25.13	25.14	25.08	24.99

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

temperature °F	34°	32°	31°	30°	29°	29°	28°	26°
wind	7mph	9mph	12mph	14mph	16mph	17mph	14mph	13mph
pressure in	25.10	25.11	25.15	25.21	25.24	25.27	25.32	25.35

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

temperature °F	31°	27°	27°	30°	33°	36°	34°	34°
wind	5mph	7mph	9mph	9mph	11mph	16mph	16mph	16mph
pressure in	25.56	25.54	25.58	25.60	25.58	25.55	25.51	25.46

* Saint Mary, 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 Saint Mary, 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.