Umatilla Reservation, OR 18 December Weather

Altitude - 620m | 45°38′46″N,118°32′46″W | map (OSM)

Umatilla Reservation, OR

°F

6:30 amRain13mphS

Mon, December 15, 20257:10 AM (GMT -08:00)

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	40°	39°	39°	39°	43°	47°	50°	50°
wind	9mph	8mph	9mph	10mph	13mph	13mph	12mph	12mph
pressure in	27.91	27.83	27.74	27.64	27.57	27.50	27.48	27.48

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

temperature °F	49°	50°	53°	53°	53°	49°	44°	42°
wind	9mph	11mph	13mph	18mph	13mph	6mph	4mph	6mph
pressure in	27.92	27.84	27.88	27.96	28.04	28.08	28.08	28.09

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

temperature °F	32°	32°	32°	33°	35°	36°	39°	40°
wind	1mph	0mph	0mph	0mph	0mph	1mph	3mph	2mph
pressure in	27.88	27.84	27.79	27.75	27.68	27.63	27.61	27.58

* Umatilla Reservation, OR 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 Umatilla Reservation, OR 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.