Grannis, MT 21 December Weather

Altitude - 1368m | 45°45′25″N,110°29′46″W | map (OSM)

Grannis, MT

°F

11:30 pmClear19mphSW

Sun, December 14, 202512:19 AM (GMT -07:00)

Sunday Dec 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	28°	27°	26°	27°	32°	34°	31°	30°
wind	13mph	13mph	12mph	12mph	14mph	13mph	12mph	12mph
pressure in	25.17	25.18	25.19	25.19	25.19	25.18	25.17	25.19

Saturday Dec 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	40°	41°	44°	51°	52°	47°	46°
wind	21mph	14mph	16mph	17mph	16mph	17mph	18mph	20mph
pressure in	25.51	25.47	25.45	25.45	25.42	25.38	25.32	25.31

Thursday Dec 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	40°	38°	38°	47°	50°	44°	40°
wind	15mph	14mph	13mph	12mph	15mph	12mph	14mph	17mph
pressure in	25.45	25.44	25.46	25.47	25.50	25.49	25.48	25.47

* Grannis, MT weather for December 21 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 Grannis, MT Weather for December 21, 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 21 for previous years is presented.