SeaTac, WA Weather History | Weather Underground

Summary

Temperature (°F)	Actual	Historic Avg.	Record
High Temp	76	78	96
Low Temp	57	58	49
Day Average Temp	65.88	-	-

Precipitation (in)	Actual	Historic Avg.	Record
Precipitation	0	4.3	-

Dew Point (°F)	Actual	Historic Avg.	Record
Dew Point	53.48	-	-
High	57	-	-
Low	49	-	-
Average	53.48	-	-

Wind (mph)	Actual	Historic Avg.	Record
Max Wind Speed	16	-	-
Visibility	10	-	-

Sea Level Pressure (in)	Actual	Historic Avg.	Record
Sea Level Pressure	29.57	-	-

Astronomy	Day Length	Rise	Set
Actual Time	14h 24m	6:01 AM	8:25 PM
Civil Twilight		5:27 AM	8:59 PM
Nautical Twilight		4:44 AM	9:42 PM
Astronomical Twilight		3:55 AM	10:31 PM
Moon: Waning gibbous		9:23 PM	6:27 AM

Time	Temperature	Dew Point	Humidity	Wind	Wind Speed	Wind Gust	Pressure	Condition
12:53 AM	63 °F	53 °F	70 %	CALM	0 mph	-	29.56 in	Fair
1:53 AM	59 °F	52 °F	78 %	WNW	3 mph	-	29.56 in	Fair
2:53 AM	59 °F	52 °F	78 %	CALM	0 mph	-	29.56 in	Fair
3:53 AM	58 °F	52 °F	81 %	CALM	0 mph	-	29.56 in	Fair
4:53 AM	58 °F	52 °F	81 %	S	3 mph	-	29.56 in	Fair
5:53 AM	58 °F	52 °F	81 %	CALM	0 mph	-	29.55 in	Fair
6:53 AM	57 °F	53 °F	87 %	SSW	3 mph	-	29.56 in	Fair
7:53 AM	61 °F	54 °F	78 %	SW	7 mph	-	29.58 in	Partly Cloudy
8:18 AM	62 °F	54 °F	75 %	S	9 mph	-	29.58 in	Partly Cloudy
8:53 AM	63 °F	54 °F	72 %	S	8 mph	-	29.58 in	Partly Cloudy
9:53 AM	64 °F	54 °F	70 %	SSW	8 mph	-	29.58 in	Partly Cloudy
10:53 AM	67 °F	55 °F	66 %	SSW	8 mph	-	29.58 in	Partly Cloudy
11:53 AM	71 °F	54 °F	55 %	SSW	12 mph	-	29.58 in	Partly Cloudy
12:53 PM	73 °F	55 °F	53 %	SSW	13 mph	-	29.57 in	Fair
1:53 PM	76 °F	55 °F	48 %	WSW	12 mph	-	29.56 in	Fair
2:53 PM	75 °F	56 °F	51 %	SW	10 mph	-	29.56 in	Fair
3:53 PM	76 °F	57 °F	52 %	SW	12 mph	-	29.55 in	Fair
4:53 PM	76 °F	57 °F	52 %	WSW	15 mph	21 mph	29.55 in	Partly Cloudy
5:53 PM	74 °F	56 °F	53 %	WSW	13 mph	-	29.55 in	Fair
6:53 PM	72 °F	56 °F	57 %	WSW	12 mph	-	29.56 in	Partly Cloudy
7:53 PM	70 °F	54 °F	57 %	SW	16 mph	23 mph	29.57 in	Mostly Cloudy
8:53 PM	66 °F	52 °F	60 %	WSW	10 mph	-	29.6 in	Mostly Cloudy
9:53 PM	64 °F	49 °F	58 %	SW	14 mph	-	29.62 in	Mostly Cloudy
10:53 PM	63 °F	49 °F	60 %	SSW	13 mph	-	29.63 in	Cloudy
11:53 PM	62 °F	50 °F	65 %	SSW	12 mph	-	29.64 in	Cloudy