South Union, WA 18 December Weather

Altitude - 59m | 46°56′35″N,122°54′25″W | map (OSM)

South Union, WA

°F

9 pmCloudy8mphSW

Mon, December 15, 20259:29 PM (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	44°	44°	42°	42°	46°	50°	48°	44°
wind	7mph	8mph	8mph	8mph	10mph	11mph	9mph	7mph
pressure in	29.80	29.72	29.60	29.47	29.33	29.32	29.38	29.44

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

temperature °F	53°	52°	49°	49°	50°	52°	46°	43°
wind	18mph	17mph	14mph	11mph	9mph	4mph	1mph	1mph
pressure in	29.60	29.59	29.76	29.94	30.03	30.03	30.02	30.02

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

temperature °F	39°	39°	39°	40°	44°	46°	44°	44°
wind	2mph	1mph	1mph	1mph	2mph	2mph	1mph	2mph
pressure in	29.70	29.67	29.61	29.57	29.51	29.44	29.41	29.37

* South Union, 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 South Union, 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.