Sweet Grass, MT 15 December Weather

Altitude - 1077m | 48°59′46″N,111°57′40″W | map (OSM)

Sweet Grass, MT

°F

12 amMostly Cloudy13mphSW

Sun, December 14, 202512:54 AM (GMT -07:00)

Climatic norm in Sweet Grass, MT Dec 15

11°
21°
31°

minimum
average
maximum

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

temperature °F	39°	38°	38°	40°	46°	49°	47°	47°
wind	15mph	14mph	15mph	15mph	19mph	19mph	26mph	33mph
pressure in	26.25	26.24	26.18	26.14	26.10	26.05	25.97	25.90

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

temperature °F	36°	37°	37°	36°	38°	36°	31°	27°
wind	8mph	8mph	11mph	15mph	20mph	18mph	13mph	10mph
pressure in	26.06	26.08	26.12	26.15	26.19	26.23	26.26	26.31

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

temperature °F	28°	25°	23°	25°	36°	39°	33°	29°
wind	7mph	6mph	5mph	5mph	8mph	14mph	15mph	14mph
pressure in	26.51	26.51	26.53	26.56	26.59	26.53	26.47	26.38

* Sweet Grass, 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 Sweet Grass, 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.