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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
+21
+16
9 September, mon
+21
+16
Feels like
+17
755 mmHg
79%
3
m/s
N
Climate normal
+22
+17
9 September, Monday. day, 21°; night, 16°; light rain
10
September
+21
+13
10 September, tue
+21
+13
Feels like
+16
753 mmHg
66%
4.6
m/s
SW
Climate normal
+25
+18
10 September, Tuesday. day, 21°; night, 13°; light rain
11
+18
+14
11 September, wed
+18
+14
Feels like
+14
749 mmHg
82%
3.6
m/s
N
Climate normal
+23
+17
11 September, Wednesday. day, 18°; night, 14°; light rain
12
+20
+13
12 September, thu
+20
+13
Feels like
+16
755 mmHg
77%
3.6
m/s
SW
Climate normal
+21
+16
12 September, Thursday. day, 20°; night, 13°; light rain
13
+21
+14
13 September, fri
+21
+14
Feels like
+17
755 mmHg
72%
3.3
m/s
S
Climate normal
+22
+16
13 September, Friday. day, 21°; night, 14°; overcast
14
+19
+14
14 September, sat
+19
+14
Feels like
+16
754 mmHg
79%
3.6
m/s
S
Climate normal
+22
+17
14 September, Saturday. day, 19°; night, 14°; light rain
15
+18
+13
15 September, sun
+18
+13
Feels like
+14
755 mmHg
79%
3.5
m/s
NW
Climate normal
+21
+16
15 September, Sunday. day, 18°; night, 13°; rain
16
+20
+13
16 September, mon
+20
+13
Feels like
+15
754 mmHg
73%
3.6
m/s
NW
Climate normal
+20
+15
16 September, Monday. day, 20°; night, 13°; light rain
17
+18
+13
17 September, tue
+18
+13
Feels like
+13
752 mmHg
77%
4.9
m/s
SW
Climate normal
+20
+16
17 September, Tuesday. day, 18°; night, 13°; overcast
18
+19
+12
18 September, wed
+19
+12
Feels like
+14
754 mmHg
73%
5
m/s
SW
Climate normal
+20
+15
18 September, Wednesday. day, 19°; night, 12°; partly cloudy
19
+19
+12
19 September, thu
+19
+12
Feels like
+13
757 mmHg
70%
4
m/s
S
Climate normal
+19
+15
19 September, Thursday. day, 19°; night, 12°; partly cloudy
20
+21
+12
20 September, fri
+21
+12
Feels like
+15
758 mmHg
67%
5
m/s
W
Climate normal
+20
+14
20 September, Friday. day, 21°; night, 12°; partly cloudy
21
+22
+14
21 September, sat
+22
+14
Feels like
+16
758 mmHg
66%
5.1
m/s
NW
Climate normal
+20
+15
21 September, Saturday. day, 22°; night, 14°; partly cloudy
22
+24
+11
22 September, sun
+24
+11
Feels like
+13
713 mmHg
48%
5.7
m/s
S
Climate normal
+19
+15
22 September, Sunday. day, 24°; night, 11°; partly cloudy
23
+25
+11
23 September, mon
+25
+11
Feels like
+17
709 mmHg
48%
2.6
m/s
SW
Climate normal
+19
+15
23 September, Monday. day, 25°; night, 11°; clear
24
+26
+13
24 September, tue
+26
+13
Feels like
+16
713 mmHg
46%
3.4
m/s
W
Climate normal
+18
+15
24 September, Tuesday. day, 26°; night, 13°; partly cloudy
25
+25
+11
25 September, wed
+25
+11
Feels like
+17
716 mmHg
55%
3.4
m/s
S
Climate normal
+18
+15
25 September, Wednesday. day, 25°; night, 11°; partly cloudy
26
+25
+11
26 September, thu
+25
+11
Feels like
+17
718 mmHg
56%
2.3
m/s
SW
Climate normal
+19
+15
26 September, Thursday. day, 25°; night, 11°; partly cloudy
27
+25
+13
27 September, fri
+25
+13
Feels like
+19
717 mmHg
51%
3.1
m/s
SE
Climate normal
+19
+14
27 September, Friday. day, 25°; night, 13°; partly cloudy
28
+26
+12
28 September, sat
+26
+12
Feels like
+18
715 mmHg
47%
2.6
m/s
E
Climate normal
+19
+14
28 September, Saturday. day, 26°; night, 12°; clear
29
+26
+13
29 September, sun
+26
+13
Feels like
+17
714 mmHg
49%
2
m/s
NE
Climate normal
+18
+13
29 September, Sunday. day, 26°; night, 13°; clear
30
+25
+12
30 September, mon
+25
+12
Feels like
+18
716 mmHg
50%
3
m/s
W
Climate normal
+17
+14
30 September, Monday. day, 25°; night, 12°; mostly clear
1 October
+25
+12
1 October, tue
+25
+12
Feels like
+18
718 mmHg
49%
3
m/s
NW
Climate normal
+17
+14
1 October, Tuesday. day, 25°; night, 12°; clear
2
+25
+13
2 October, wed
+25
+13
Feels like
+16
714 mmHg
47%
3.4
m/s
NE
Climate normal
+17
+13
2 October, Wednesday. day, 25°; night, 13°; mostly clear
3
+26
+13
3 October, thu
+26
+13
Feels like
+17
714 mmHg
50%
4.1
m/s
SW
Climate normal
+17
+13
3 October, Thursday. day, 26°; night, 13°; partly cloudy
4
+24
+9
4 October, fri
+24
+9
Feels like
+17
717 mmHg
61%
2.9
m/s
SW
Climate normal
+17
+13
4 October, Friday. day, 24°; night, 9°; partly cloudy
5
+22
+11
5 October, sat
+22
+11
Feels like
+16
718 mmHg
68%
4.3
m/s
SE
Climate normal
+18
+13
5 October, Saturday. day, 22°; night, 11°; partly cloudy
6
+23
+10
6 October, sun
+23
+10
Feels like
+16
718 mmHg
58%
3
m/s
SW
Climate normal
+16
+13
6 October, Sunday. day, 23°; night, 10°; partly cloudy
7
+22
+9
7 October, mon
+22
+9
Feels like
+15
717 mmHg
55%
2.7
m/s
SW
Climate normal
+17
+13
7 October, Monday. day, 22°; night, 9°; mostly clear
8
+16
+8
8 October, tue
+16
+8
Feels like
+11
720 mmHg
62%
1.8
m/s
NE
Climate normal
+16
+13
8 October, Tuesday. day, 16°; night, 8°; partly cloudy
9
+11
+4
9 October, wed
+11
+4
Feels like
+6
720 mmHg
78%
1.4
m/s
NW
Climate normal
+14
+11
9 October, Wednesday. day, 11°; night, 4°; light rain
Average data for 10 years
Next, the average data for 10 years
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
8
sunny days
6
days with precipitation
16
cloudy days
8 sunny days; 6 days with precipitation; 16 cloudy days;
62
%
air humidity
3.5
m/s
Wind
SW
6
mm of precipitation
(1% of annual average)
air humidity 62%; 6 millimeters of precipitation (1% of annual average); Wind south-westerly 3.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
N
SW
S
S
NW
NW
SW
SW
S
W
NW
S
SW
W
S
SW
SE
E
NE
W
NW
NE
SW
SW
SE
SW
SW
NE
NW
10
Average data for 10 years
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
8
9
Daytime temperature
Night-time temperature
