Grass Valley, OR 21 December Weather

Altitude - 706m | 45°21′36″N,120°47′10″W | map (OSM)

Grass Valley, OR

°F

9:30 pmPartly Cloudy12mphSW

Mon, December 15, 202510:01 PM (GMT -08:00)

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

temperature °F	31°	29°	29°	31°	36°	37°	35°	35°
wind	4mph	3mph	2mph	1mph	3mph	4mph	4mph	5mph
pressure in	27.42	27.40	27.38	27.37	27.35	27.30	27.25	27.23

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

temperature °F	34°	34°	34°	35°	38°	41°	39°	37°
wind	2mph	4mph	4mph	3mph	4mph	6mph	5mph	5mph
pressure in	27.55	27.49	27.45	27.48	27.48	27.53	27.58	27.63

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

temperature °F	35°	34°	34°	36°	41°	40°	38°	35°
wind	2mph	2mph	2mph	2mph	2mph	3mph	2mph	1mph
pressure in	27.56	27.57	27.58	27.62	27.61	27.56	27.56	27.54

* Grass Valley, OR 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 Grass Valley, OR 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.