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Monthly 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
8
September
+25
+16
8 September, sun
+25
+16
Feels like
+20
753 mmHg
69%
4.5
m/s
SW
Climate normal
+22
+17
8 September, Sunday. day, 25°; night, 16°; partly cloudy
9
+21
+15
9 September, mon
+21
+15
Feels like
+18
755 mmHg
73%
3
m/s
S
Climate normal
+22
+17
9 September, Monday. day, 21°; night, 15°; overcast
10
+21
+13
10 September, tue
+21
+13
Feels like
+17
753 mmHg
67%
4
m/s
SW
Climate normal
+25
+18
10 September, Tuesday. day, 21°; night, 13°; overcast
11
+18
+13
11 September, wed
+18
+13
Feels like
+14
752 mmHg
69%
4.2
m/s
SW
Climate normal
+23
+17
11 September, Wednesday. day, 18°; night, 13°; light rain
12
+21
+14
12 September, thu
+21
+14
Feels like
+16
754 mmHg
66%
3.6
m/s
SW
Climate normal
+21
+16
12 September, Thursday. day, 21°; night, 14°; partly cloudy
13
+19
+14
13 September, fri
+19
+14
Feels like
+15
755 mmHg
74%
4.5
m/s
S
Climate normal
+22
+16
13 September, Friday. day, 19°; night, 14°; light rain
14
+20
+13
14 September, sat
+20
+13
Feels like
+15
755 mmHg
68%
2.7
m/s
S
Climate normal
+22
+17
14 September, Saturday. day, 20°; night, 13°; rain
15
+20
+12
15 September, sun
+20
+12
Feels like
+14
756 mmHg
65%
4
m/s
NW
Climate normal
+21
+16
15 September, Sunday. day, 20°; night, 12°; partly cloudy
16
+21
+12
16 September, mon
+21
+12
Feels like
+16
757 mmHg
66%
3.6
m/s
SW
Climate normal
+20
+15
16 September, Monday. day, 21°; night, 12°; mostly clear
17
+22
+14
17 September, tue
+22
+14
Feels like
+17
756 mmHg
68%
4.8
m/s
NW
Climate normal
+20
+16
17 September, Tuesday. day, 22°; night, 14°; partly cloudy
18
+21
+13
18 September, wed
+21
+13
Feels like
+16
757 mmHg
76%
4.8
m/s
SW
Climate normal
+20
+15
18 September, Wednesday. day, 21°; night, 13°; partly cloudy
19
+21
+11
19 September, thu
+21
+11
Feels like
+16
757 mmHg
66%
5
m/s
NW
Climate normal
+19
+15
19 September, Thursday. day, 21°; night, 11°; partly cloudy
20
+24
+9
20 September, fri
+24
+9
Feels like
+17
715 mmHg
59%
1.3
m/s
E
Climate normal
+20
+14
20 September, Friday. day, 24°; night, 9°; clear
21
+20
+10
21 September, sat
+20
+10
Feels like
+13
715 mmHg
65%
4
m/s
SW
Climate normal
+20
+15
21 September, Saturday. day, 20°; night, 10°; mostly clear
22
+13
+9
22 September, sun
+13
+9
Feels like
+10
715 mmHg
94%
2.7
m/s
W
Climate normal
+19
+15
22 September, Sunday. day, 13°; night, 9°; rain
23
+15
+6
23 September, mon
+15
+6
Feels like
+8
720 mmHg
79%
3.5
m/s
W
Climate normal
+19
+15
23 September, Monday. day, 15°; night, 6°; mostly clear
24
+18
+11
24 September, tue
+18
+11
Feels like
+11
715 mmHg
59%
2.6
m/s
SW
Climate normal
+18
+15
24 September, Tuesday. day, 18°; night, 11°; mostly clear
25
+12
+8
25 September, wed
+12
+8
Feels like
+7
710 mmHg
97%
5.5
m/s
SW
Climate normal
+18
+15
25 September, Wednesday. day, 12°; night, 8°; rain
26
+13
+10
26 September, thu
+13
+10
Feels like
+6
715 mmHg
84%
5.2
m/s
S
Climate normal
+19
+15
26 September, Thursday. day, 13°; night, 10°; rain
27
+12
+9
27 September, fri
+12
+9
Feels like
+8
711 mmHg
98%
4.4
m/s
SW
Climate normal
+19
+14
27 September, Friday. day, 12°; night, 9°; rain
28
+12
+6
28 September, sat
+12
+6
Feels like
+8
719 mmHg
90%
2.6
m/s
NW
Climate normal
+19
+14
28 September, Saturday. day, 12°; night, 6°; light rain
29
+17
+10
29 September, sun
+17
+10
Feels like
+9
714 mmHg
66%
4.6
m/s
E
Climate normal
+18
+13
29 September, Sunday. day, 17°; night, 10°; mostly clear
30
+15
+10
30 September, mon
+15
+10
Feels like
+12
713 mmHg
85%
4
m/s
SW
Climate normal
+17
+14
30 September, Monday. day, 15°; night, 10°; rain
1 October
+15
+8
1 October, tue
+15
+8
Feels like
+11
721 mmHg
88%
2
m/s
NW
Climate normal
+17
+14
1 October, Tuesday. day, 15°; night, 8°; partly cloudy
2
+20
+10
2 October, wed
+20
+10
Feels like
+13
719 mmHg
70%
4.6
m/s
E
Climate normal
+17
+13
2 October, Wednesday. day, 20°; night, 10°; clear
3
+22
+12
3 October, thu
+22
+12
Feels like
+15
715 mmHg
71%
4.2
m/s
E
Climate normal
+17
+13
3 October, Thursday. day, 22°; night, 12°; clear
4
+24
+10
4 October, fri
+24
+10
Feels like
+17
715 mmHg
74%
2.6
m/s
SW
Climate normal
+17
+13
4 October, Friday. day, 24°; night, 10°; clear
5
+23
+8
5 October, sat
+23
+8
Feels like
+17
720 mmHg
68%
2
m/s
NW
Climate normal
+18
+13
5 October, Saturday. day, 23°; night, 8°; clear
6
+20
+11
6 October, sun
+20
+11
Feels like
+14
722 mmHg
73%
2.9
m/s
W
Climate normal
+16
+13
6 October, Sunday. day, 20°; night, 11°; clear
7
+17
+8
7 October, mon
+17
+8
Feels like
+11
721 mmHg
82%
2.6
m/s
W
Climate normal
+17
+13
7 October, Monday. day, 17°; night, 8°; mostly clear
Average data for 10 years
Next, the average data for 10 years
8
+16
+13
8 October, tue
+16
+13
Feels like
+15
762 mmHg
70%
2.9
m/s
E
8 October, Tuesday. day, 16°; night, 13°; partly cloudy
9
+14
+11
9 October, wed
+14
+11
Feels like
+13
760 mmHg
73%
3
m/s
SE
9 October, Wednesday. day, 14°; night, 11°; rain
10
+14
+11
10 October, thu
+14
+11
Feels like
+12
762 mmHg
70%
3.2
m/s
SE
10 October, Thursday. day, 14°; night, 11°; rain
11
+14
+11
11 October, fri
+14
+11
Feels like
+12
763 mmHg
66%
2.7
m/s
NE
11 October, Friday. day, 14°; night, 11°; partly cloudy
12
+15
+11
12 October, sat
+15
+11
Feels like
+13
761 mmHg
66%
3
m/s
NE
12 October, Saturday. day, 15°; night, 11°; partly cloudy
Average for 30 days
12
sunny days
9
days with precipitation
9
cloudy days
12 sunny days; 9 days with precipitation; 9 cloudy days;
74
%
air humidity
3.7
m/s
Wind
SW
16
mm of precipitation
(3% of annual average)
air humidity 74%; 16 millimeters of precipitation (3% of annual average); Wind south-westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
SW
SW
SW
S
S
NW
SW
NW
SW
NW
E
SW
W
W
SW
SW
S
SW
NW
E
SW
NW
E
E
SW
NW
W
W
8
Average data for 10 years
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
Daytime temperature
Night-time temperature
