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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
+22
+17
8 September, sun
+22
+17
Feels like
+22
761 mmHg
62%
3.4
m/s
NW
8 September, Sunday. day, 22°; night, 17°; clear
9
+22
+17
9 September, mon
+22
+17
Feels like
+21
763 mmHg
64%
3.5
m/s
N
9 September, Monday. day, 22°; night, 17°; clear
10
+25
+18
10 September, tue
+25
+18
Feels like
+25
762 mmHg
52%
3.2
m/s
N
10 September, Tuesday. day, 25°; night, 18°; clear
11
+23
+17
11 September, wed
+23
+17
Feels like
+22
761 mmHg
56%
3
m/s
N
11 September, Wednesday. day, 23°; night, 17°; clear
12
September
+20
+12
12 September, thu
+20
+12
Feels like
+16
754 mmHg
75%
3.2
m/s
W
Climate normal
+21
+16
12 September, Thursday. day, 20°; night, 12°; partly cloudy
13
+19
+14
13 September, fri
+19
+14
Feels like
+14
755 mmHg
74%
3.7
m/s
S
Climate normal
+22
+16
13 September, Friday. day, 19°; night, 14°; light rain
14
+19
+12
14 September, sat
+19
+12
Feels like
+14
752 mmHg
82%
4.4
m/s
SW
Climate normal
+22
+17
14 September, Saturday. day, 19°; night, 12°; rain
15
+17
+12
15 September, sun
+17
+12
Feels like
+12
755 mmHg
81%
4
m/s
NW
Climate normal
+21
+16
15 September, Sunday. day, 17°; night, 12°; light rain
16
+20
+13
16 September, mon
+20
+13
Feels like
+15
755 mmHg
69%
3
m/s
NW
Climate normal
+20
+15
16 September, Monday. day, 20°; night, 13°; light rain
17
+17
+14
17 September, tue
+17
+14
Feels like
+13
751 mmHg
82%
5.5
m/s
S
Climate normal
+20
+16
17 September, Tuesday. day, 17°; night, 14°; light rain
18
+18
+13
18 September, wed
+18
+13
Feels like
+14
753 mmHg
77%
3.6
m/s
NW
Climate normal
+20
+15
18 September, Wednesday. day, 18°; night, 13°; light rain
19
+19
+13
19 September, thu
+19
+13
Feels like
+15
756 mmHg
73%
3.2
m/s
SW
Climate normal
+19
+15
19 September, Thursday. day, 19°; night, 13°; overcast
20
+19
+12
20 September, fri
+19
+12
Feels like
+14
758 mmHg
72%
3.9
m/s
SW
Climate normal
+20
+14
20 September, Friday. day, 19°; night, 12°; light rain
21
+21
+13
21 September, sat
+21
+13
Feels like
+14
759 mmHg
69%
4.6
m/s
NW
Climate normal
+20
+15
21 September, Saturday. day, 21°; night, 13°; partly cloudy
22
+22
+13
22 September, sun
+22
+13
Feels like
+16
757 mmHg
66%
5.3
m/s
N
Climate normal
+19
+15
22 September, Sunday. day, 22°; night, 13°; partly cloudy
23
+22
+13
23 September, mon
+22
+13
Feels like
+16
757 mmHg
67%
4.9
m/s
NW
Climate normal
+19
+15
23 September, Monday. day, 22°; night, 13°; partly cloudy
24
+19
+6
24 September, tue
+19
+6
Feels like
+10
737 mmHg
75%
5
m/s
W
Climate normal
+18
+15
24 September, Tuesday. day, 19°; night, 6°; light rain
25
+10
+6
25 September, wed
+10
+6
Feels like
+6
714 mmHg
95%
3.1
m/s
SW
Climate normal
+18
+15
25 September, Wednesday. day, 10°; night, 6°; rain
26
+10
+5
26 September, thu
+10
+5
Feels like
+4
717 mmHg
89%
2.8
m/s
W
Climate normal
+19
+15
26 September, Thursday. day, 10°; night, 5°; light rain
27
+8
+7
27 September, fri
+8
+7
Feels like
+4
719 mmHg
91%
2.3
m/s
SE
Climate normal
+19
+14
27 September, Friday. day, 8°; night, 7°; light rain
28
+17
+11
28 September, sat
+17
+11
Feels like
+11
719 mmHg
88%
2.7
m/s
E
Climate normal
+19
+14
28 September, Saturday. day, 17°; night, 11°; partly cloudy
29
+22
+13
29 September, sun
+22
+13
Feels like
+14
715 mmHg
65%
4.4
m/s
SE
Climate normal
+18
+13
29 September, Sunday. day, 22°; night, 13°; partly cloudy
30
+11
+5
30 September, mon
+11
+5
Feels like
+5
719 mmHg
94%
5.5
m/s
W
Climate normal
+17
+14
30 September, Monday. day, 11°; night, 5°; rain
1 October
+9
+1
1 October, tue
+9
+1
Feels like
+1
721 mmHg
80%
3
m/s
NW
Climate normal
+17
+14
1 October, Tuesday. day, 9°; night, 1°; mostly clear
2
+13
+4
2 October, wed
+13
+4
Feels like
+5
718 mmHg
65%
3.6
m/s
NE
Climate normal
+17
+13
2 October, Wednesday. day, 13°; night, 4°; clear
3
+14
+8
3 October, thu
+14
+8
Feels like
+5
715 mmHg
61%
4.6
m/s
E
Climate normal
+17
+13
3 October, Thursday. day, 14°; night, 8°; mostly clear
4
+10
+8
4 October, fri
+10
+8
Feels like
+5
716 mmHg
82%
4.7
m/s
SE
Climate normal
+17
+13
4 October, Friday. day, 10°; night, 8°; light rain
5
+11
+4
5 October, sat
+11
+4
Feels like
+6
716 mmHg
99%
5.9
m/s
SW
Climate normal
+18
+13
5 October, Saturday. day, 11°; night, 4°; rain
6
+13
+6
6 October, sun
+13
+6
Feels like
+8
723 mmHg
87%
2.3
m/s
NW
Climate normal
+16
+13
6 October, Sunday. day, 13°; night, 6°; mostly clear
7
+15
+9
7 October, mon
+15
+9
Feels like
+8
716 mmHg
71%
4.3
m/s
E
Climate normal
+17
+13
7 October, Monday. day, 15°; night, 9°; partly cloudy
8
+11
+6
8 October, tue
+11
+6
Feels like
+7
720 mmHg
93%
3.5
m/s
W
Climate normal
+16
+13
8 October, Tuesday. day, 11°; night, 6°; light rain
9
+13
+5
9 October, wed
+13
+5
Feels like
+7
722 mmHg
74%
2.3
m/s
NE
Climate normal
+14
+11
9 October, Wednesday. day, 13°; night, 5°; mostly clear
10
+16
+7
10 October, thu
+16
+7
Feels like
+9
721 mmHg
69%
3.5
m/s
E
Climate normal
+14
+11
10 October, Thursday. day, 16°; night, 7°; mostly clear
11
+18
+9
11 October, fri
+18
+9
Feels like
+11
718 mmHg
67%
4.2
m/s
E
Climate normal
+14
+11
11 October, Friday. day, 18°; night, 9°; clear
Average data for 10 years
Next, the average data for 10 years
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
7
sunny days
15
days with precipitation
8
cloudy days
7 sunny days; 15 days with precipitation; 8 cloudy days;
78
%
air humidity
3.9
m/s
Wind
NW
18
mm of precipitation
(3% of annual average)
air humidity 78%; 18 millimeters of precipitation (3% of annual average); Wind north-westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
S
SW
NW
NW
S
NW
SW
SW
NW
N
NW
W
SW
W
SE
E
SE
W
NW
NE
E
SE
SW
NW
E
W
NE
E
E
12
Average data for 10 years
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
8
9
10
11
Daytime temperature
Night-time temperature