SeaTac, WA 21 March Weather

Altitude - 80m | 47°27′14″N,122°19′19″W | map (OSM)

SeaTac, WA

°F

12:30 amMostly Cloudy4mphE

Tue, March 18, 20251:26 AM (GMT -07:00)

Climatic norm in SeaTac, WA Mar 21

41°
48°
55°

minimum
average
maximum

Friday Mar 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	44°	45°	46°	48°	48°	46°	43°
wind	10mph	11mph	12mph	12mph	14mph	14mph	12mph	9mph
pressure in	29.64	29.60	29.57	29.56	29.56	29.55	29.55	29.62

Thursday Mar 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	47°	46°	48°	53°	55°	54°	51°
wind	4mph	4mph	3mph	3mph	5mph	5mph	3mph	2mph
pressure in	29.70	29.71	29.73	29.77	29.78	29.77	29.76	29.77

* SeaTac, WA weather for March 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 SeaTac, WA Weather for March 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 March 21 for previous years is presented.