Johnstown, CO 18 December Weather

Altitude - 1483m | 40°20′13″N,104°54′43″W | map (OSM)

Johnstown, CO

°F

4:30 amPartly Cloudy9mphS

Wed, December 10, 20255:18 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	39°	35°	32°	40°	51°	54°	47°	43°
wind	7mph	5mph	6mph	6mph	7mph	7mph	5mph	5mph
pressure in	24.94	24.95	24.96	25.02	25.06	25.03	24.95	24.92

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

temperature °F	27°	23°	21°	27°	39°	46°	39°	35°
wind	3mph	2mph	2mph	2mph	3mph	3mph	4mph	7mph
pressure in	25.30	25.26	25.25	25.26	25.22	25.14	25.03	24.99

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

temperature °F	27°	24°	23°	30°	44°	50°	40°	35°
wind	3mph	2mph	3mph	1mph	2mph	3mph	2mph	2mph
pressure in	25.17	25.13	25.10	25.14	25.11	25.05	24.95	24.90

* Johnstown, CO 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 Johnstown, CO 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.