Umtanum, WA 18 December Weather

Altitude - 499m | 46°51′54″N,120°28′48″W | map (OSM)

Umtanum, WA

°F

2:30 amPartly Cloudy6mphNW

Tue, December 16, 20253:18 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	35°	35°	34°	34°	36°	38°	38°	39°
wind	3mph	2mph	4mph	5mph	5mph	5mph	5mph	6mph
pressure in	28.26	28.21	28.12	28.02	27.90	27.78	27.76	27.79

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

temperature °F	35°	35°	35°	38°	44°	42°	34°	31°
wind	2mph	1mph	5mph	9mph	11mph	9mph	4mph	3mph
pressure in	28.23	28.17	28.12	28.24	28.39	28.43	28.46	28.49

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

temperature °F	34°	33°	33°	34°	37°	38°	38°	37°
wind	2mph	2mph	2mph	2mph	1mph	2mph	2mph	2mph
pressure in	28.32	28.26	28.21	28.17	28.12	28.06	28.04	28.01

* Umtanum, WA 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 Umtanum, WA 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.