Grannis, MT 18 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)

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	25°	22°	23°	28°	30°	29°	33°
wind	20mph	16mph	14mph	13mph	14mph	14mph	14mph	16mph
pressure in	25.27	25.30	25.31	25.31	25.26	25.17	25.09	25.02

Wednesday Dec 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	34°	35°	39°	42°	45°	45°	43°	39°
wind	17mph	23mph	26mph	29mph	29mph	37mph	38mph	30mph
pressure in	25.55	25.50	25.49	25.44	25.37	25.31	25.39	25.49

Monday Dec 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	34°	34°	34°	39°	47°	50°	44°	42°
wind	16mph	15mph	17mph	17mph	17mph	18mph	19mph	19mph
pressure in	25.49	25.46	25.41	25.39	25.33	25.27	25.23	25.22

* Grannis, MT weather for December 18 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 18, 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 18 for previous years is presented.