Keystone, MT 19 December Weather

Altitude - 1141m | 47°16′5″N,114°56′10″W | map (OSM)

Keystone, MT

°F

3:30 amFog3mphSE

Sun, December 14, 20254:22 AM (GMT -07:00)

Friday Dec 19 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	40°	41°	41°	40°	40°	40°	37°	37°
wind	5mph	5mph	5mph	6mph	6mph	6mph	5mph	5mph
pressure in	25.64	25.63	25.64	25.68	25.70	25.71	25.74	25.80

Thursday Dec 19 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	37°	33°	32°	41°	42°	39°	38°
wind	3mph	2mph	2mph	2mph	2mph	2mph	2mph	4mph
pressure in	26.35	26.38	26.37	26.37	26.40	26.35	26.31	26.26

Tuesday Dec 19 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	35°	35°	35°	37°	41°	41°	40°	38°
wind	2mph	3mph	3mph	2mph	2mph	2mph	3mph	3mph
pressure in	25.89	25.89	25.89	25.90	25.90	25.89	25.92	25.95

* Keystone, MT weather for December 19 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 Keystone, MT Weather for December 19, 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 19 for previous years is presented.