Keystone, MT 15 December Weather

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

Keystone, MT

°F

6:30 pmClear3mphS

Sat, December 13, 20256:57 PM (GMT -07:00)

Monday Dec 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	41°	41°	43°	46°	48°	48°	48°
wind	3mph	3mph	4mph	4mph	4mph	5mph	6mph	9mph
pressure in	26.19	26.17	26.15	26.14	26.11	26.08	26.05	26.01

Sunday Dec 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	37°	36°	34°	37°	36°	34°	31°
wind	2mph	2mph	3mph	3mph	5mph	5mph	3mph	1mph
pressure in	25.94	26.03	26.10	26.16	26.19	26.21	26.25	26.26

Friday Dec 15 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	27°	26°	27°	34°	37°	34°	31°
wind	1mph	1mph	2mph	1mph	1mph	1mph	2mph	2mph
pressure in	26.37	26.40	26.42	26.45	26.44	26.40	26.38	26.35

* Keystone, MT weather for December 15 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 15, 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 15 for previous years is presented.