Johnstown, WY 21 December Weather

Altitude - 1608m | 43°7′5″N,108°42′7″W | map (OSM)

Johnstown, WY

°F

6:30 pmShowers in the Vicinity27mphW

Wed, December 17, 20257:03 PM (GMT -07:00)

Climatic norm in Johnstown, WY Dec 21

9°
20°
31°

minimum
average
maximum

Sunday Dec 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	28°	28°	27°	30°	40°	45°	40°	38°
wind	6mph	6mph	4mph	4mph	5mph	7mph	7mph	7mph
pressure in	24.58	24.54	24.49	24.49	24.51	24.50	24.47	24.48

Saturday Dec 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	29°	26°	25°	28°	40°	44°	36°	33°
wind	5mph	4mph	3mph	3mph	3mph	3mph	3mph	5mph
pressure in	24.69	24.67	24.68	24.72	24.73	24.69	24.59	24.56

Thursday Dec 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	29°	28°	27°	29°	36°	39°	33°	29°
wind	4mph	4mph	4mph	3mph	2mph	3mph	4mph	5mph
pressure in	24.62	24.63	24.66	24.71	24.73	24.71	24.69	24.69

* Johnstown, WY weather for December 21 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 Johnstown, WY Weather for December 21, 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 21 for previous years is presented.