Monthly Historical AveragesCapitol Hill, Seattle, WA

Average Temperature
High
18°
Feels 18
Low
9°
Feels 8
Average Precipitation
10 Days
Rain amount
54mm
Snow amount
0cm
Content continues below

Daily Historical Averages

S
M
T
W
T
F
S
ForecastThursday, May 21, 2026
Day
Mainly sunny
21°Feels 21
Wind
11 km/h N
Gust
17 km/h
Humidity
49%
P.O.P
30%
Night
Clear
10°Feels 9
Wind
10 km/h NE
Gust
15 km/h
Humidity
93%
P.O.P
10%
Historical AveragesMay 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
Content continues below