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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Downtown, Seattle, WA
Content continues below
May
Average Temperature
High
18°
Feels 18
Low
9°
Feels 8
Average Precipitation
10 Days
Rain amount
55.5mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
16°
18
18°
19
18°
20
19°
21
21°
22
19°
23
19°
24
18°
25
16°
26
18°
27
16°
28
16°
29
17°
30
18°
31
18°
Forecast
Sunday, May 17, 2026
Day
16°
Feels 16
Wind
9 km/h SW
Gust
14 km/h
Humidity
55%
P.O.P
30%
Night
8°
Feels 7
Wind
8 km/h S
Gust
12 km/h
Humidity
93%
P.O.P
30%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.