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May weather forecast in Seattle
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
28
+15
+10
28 April, Sunday. day, 15°; night, 10°; clear
29
+15
+11
29 April, Monday. day, 15°; night, 11°; rain
30
+16
+11
30 April, Tuesday. day, 16°; night, 11°; partly cloudy
1
+15
+11
1 May, Wednesday. day, 15°; night, 11°; rain
2
+17
+11
2 May, Thursday. day, 17°; night, 11°; partly cloudy
3
+16
+11
3 May, Friday. day, 16°; night, 11°; clear
4
+14
+10
4 May, Saturday. day, 14°; night, 10°; rain
5
+16
+11
5 May, Sunday. day, 16°; night, 11°; partly cloudy
6
+17
+12
6 May, Monday. day, 17°; night, 12°; partly cloudy
7
+17
+13
7 May, Tuesday. day, 17°; night, 13°; partly cloudy
8
+17
+12
8 May, Wednesday. day, 17°; night, 12°; partly cloudy
9
+17
+12
9 May, Thursday. day, 17°; night, 12°; partly cloudy
10
+16
+11
10 May, Friday. day, 16°; night, 11°; clear
11
+17
+11
11 May, Saturday. day, 17°; night, 11°; partly cloudy
12
+17
+12
12 May, Sunday. day, 17°; night, 12°; rain
13
+18
+14
13 May, Monday. day, 18°; night, 14°; clear
14
+18
+13
14 May, Tuesday. day, 18°; night, 13°; clear
15
+18
+13
15 May, Wednesday. day, 18°; night, 13°; partly cloudy
16
+19
+14
16 May, Thursday. day, 19°; night, 14°; partly cloudy
17
+19
+13
17 May, Friday. day, 19°; night, 13°; clear
18
+18
+13
18 May, Saturday. day, 18°; night, 13°; rain
19
+18
+13
19 May, Sunday. day, 18°; night, 13°; partly cloudy
20
+17
+13
20 May, Monday. day, 17°; night, 13°; clear
21
+16
+12
21 May, Tuesday. day, 16°; night, 12°; clear
22
+16
+12
22 May, Wednesday. day, 16°; night, 12°; partly cloudy
23
+17
+13
23 May, Thursday. day, 17°; night, 13°; rain
24
+17
+13
24 May, Friday. day, 17°; night, 13°; clear
25
+18
+14
25 May, Saturday. day, 18°; night, 14°; partly cloudy
26
+19
+13
26 May, Sunday. day, 19°; night, 13°; rain
27
+19
+14
27 May, Monday. day, 19°; night, 14°; partly cloudy
28
+18
+12
28 May, Tuesday. day, 18°; night, 12°; partly cloudy
29
+17
+13
29 May, Wednesday. day, 17°; night, 13°; rain
30
+20
+14
30 May, Thursday. day, 20°; night, 14°; partly cloudy
31
+19
+15
31 May, Friday. day, 19°; night, 15°; clear
1
+19
+14
1 June, Saturday. day, 19°; night, 14°; overcast
Average data for 10 years
Seattle May
9
sunny days
7
days with precipitation
15
cloudy days
9 sunny days; 7 days with precipitation; 15 cloudy days;
66
%
air humidity
2.2
m/s
Wind
SW
45
mm of precipitation
(7% of annual average)
air humidity 66%; 45 millimeters of precipitation (7% of annual average); Wind south-westerly 2.2 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
SW
W
SW
SE
NW
NW
SW
SW
S
SW
W
NW
SW
SW
NW
SW
SW
SW
W
SW
SW
SW
W
SW
SW
SW
SW
SW
W
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
Cities near you
Vancouver
Portland
Aberdeen
Abbotsford
Everett
Coquitlam
Bellevue
Seaside
Eugene
Cities with similar weather in May
San Francisco
Toronto
Genoa
Boston
Montreal
Bruges
San Remo
San Sebastian