Big Sky, MT 18 December Weather

Altitude - 2384m | 45°17′6″N,111°22′5″W | map (OSM)

Big Sky, MT

°F

3:30 amFair19mphSW

Sun, December 14, 20254:05 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	22°	19°	19°	20°	26°	29°	28°	32°
wind	11mph	10mph	10mph	12mph	15mph	15mph	15mph	16mph
pressure in	22.21	22.20	22.23	22.23	22.22	22.17	22.08	22.07

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

temperature °F	29°	30°	31°	34°	37°	38°	34°	30°
wind	20mph	19mph	23mph	26mph	25mph	27mph	22mph	15mph
pressure in	22.48	22.47	22.45	22.44	22.41	22.37	22.40	22.45

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

temperature °F	28°	27°	26°	28°	39°	42°	36°	32°
wind	11mph	12mph	11mph	11mph	14mph	14mph	14mph	15mph
pressure in	22.42	22.38	22.32	22.29	22.33	22.30	22.23	22.19

* Big Sky, 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 Big Sky, 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.