Summit, MT 18 December Weather

Altitude - 2272m | 45°13′8″N,111°55′52″W | map (OSM)

Summit, MT

°F

10:30 pmFair15mphS

Sat, December 13, 202511:08 PM (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	25°	23°	22°	24°	30°	32°	31°	35°
wind	11mph	9mph	8mph	10mph	13mph	14mph	13mph	14mph
pressure in	22.59	22.60	22.60	22.61	22.59	22.52	22.44	22.42

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

temperature °F	31°	31°	32°	36°	39°	41°	35°	30°
wind	17mph	13mph	18mph	22mph	20mph	26mph	20mph	12mph
pressure in	22.85	22.83	22.81	22.81	22.76	22.73	22.76	22.79

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°	29°	40°	42°	36°	33°
wind	9mph	9mph	8mph	8mph	10mph	12mph	11mph	11mph
pressure in	22.75	22.71	22.64	22.62	22.67	22.62	22.56	22.53

* Summit, 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 Summit, 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.