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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
September
+20
+14
11 September, wed
+20
+14
Feels like
+14
750 mmHg
81%
3.6
m/s
SE
Climate normal
+23
+17
11 September, Wednesday. day, 20°; night, 14°; light rain
12
+20
+13
12 September, thu
+20
+13
Feels like
+16
755 mmHg
78%
3.3
m/s
SW
Climate normal
+21
+16
12 September, Thursday. day, 20°; night, 13°; light rain
13
+19
+15
13 September, fri
+19
+15
Feels like
+14
755 mmHg
74%
3.6
m/s
S
Climate normal
+22
+16
13 September, Friday. day, 19°; night, 15°; light rain
14
+20
+13
14 September, sat
+20
+13
Feels like
+15
752 mmHg
80%
5.3
m/s
S
Climate normal
+22
+17
14 September, Saturday. day, 20°; night, 13°; light rain
15
+18
+12
15 September, sun
+18
+12
Feels like
+15
756 mmHg
75%
3.9
m/s
NW
Climate normal
+21
+16
15 September, Sunday. day, 18°; night, 12°; partly cloudy
16
+19
+13
16 September, mon
+19
+13
Feels like
+14
756 mmHg
69%
2.5
m/s
NW
Climate normal
+20
+15
16 September, Monday. day, 19°; night, 13°; partly cloudy
17
+16
+13
17 September, tue
+16
+13
Feels like
+12
751 mmHg
87%
5.2
m/s
S
Climate normal
+20
+16
17 September, Tuesday. day, 16°; night, 13°; rain
18
+19
+12
18 September, wed
+19
+12
Feels like
+13
755 mmHg
74%
4.4
m/s
SW
Climate normal
+20
+15
18 September, Wednesday. day, 19°; night, 12°; light rain
19
+20
+13
19 September, thu
+20
+13
Feels like
+15
757 mmHg
68%
3.4
m/s
SW
Climate normal
+19
+15
19 September, Thursday. day, 20°; night, 13°; overcast
20
+20
+14
20 September, fri
+20
+14
Feels like
+15
757 mmHg
71%
3.7
m/s
SW
Climate normal
+20
+14
20 September, Friday. day, 20°; night, 14°; overcast
21
+21
+13
21 September, sat
+21
+13
Feels like
+15
756 mmHg
70%
5.2
m/s
W
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
65%
5.3
m/s
NW
Climate normal
+19
+15
22 September, Sunday. day, 22°; night, 13°; partly cloudy
23
+21
+7
23 September, mon
+21
+7
Feels like
+13
746 mmHg
74%
5.3
m/s
W
Climate normal
+19
+15
23 September, Monday. day, 21°; night, 7°; partly cloudy
24
+13
+12
24 September, tue
+13
+12
Feels like
+11
712 mmHg
90%
3.2
m/s
S
Climate normal
+18
+15
24 September, Tuesday. day, 13°; night, 12°; rain
25
+13
+8
25 September, wed
+13
+8
Feels like
+9
708 mmHg
98%
5.5
m/s
S
Climate normal
+18
+15
25 September, Wednesday. day, 13°; night, 8°; rain
26
+9
+8
26 September, thu
+9
+8
Feels like
+5
711 mmHg
98%
3.9
m/s
SW
Climate normal
+19
+15
26 September, Thursday. day, 9°; night, 8°; rain
27
+8
+6
27 September, fri
+8
+6
Feels like
+3
706 mmHg
99%
4
m/s
SW
Climate normal
+19
+14
27 September, Friday. day, 8°; night, 6°; rain
28
+8
+6
28 September, sat
+8
+6
Feels like
+4
707 mmHg
98%
3.7
m/s
SE
Climate normal
+19
+14
28 September, Saturday. day, 8°; night, 6°; rain
29
+8
+5
29 September, sun
+8
+5
Feels like
+1
711 mmHg
91%
4.9
m/s
SW
Climate normal
+18
+13
29 September, Sunday. day, 8°; night, 5°; rain
30
+7
+8
30 September, mon
+7
+8
Feels like
+2
716 mmHg
98%
6.4
m/s
S
Climate normal
+17
+14
30 September, Monday. day, 7°; night, 8°; rain
1 October
+10
+6
1 October, tue
+10
+6
Feels like
+4
722 mmHg
81%
3.7
m/s
SW
Climate normal
+17
+14
1 October, Tuesday. day, 10°; night, 6°; light rain
2
+12
+13
2 October, wed
+12
+13
Feels like
+7
722 mmHg
99%
3.8
m/s
SW
Climate normal
+17
+13
2 October, Wednesday. day, 12°; night, 13°; rain
3
+17
+11
3 October, thu
+17
+11
Feels like
+14
723 mmHg
92%
1.7
m/s
NW
Climate normal
+17
+13
3 October, Thursday. day, 17°; night, 11°; partly cloudy
4
+19
+11
4 October, fri
+19
+11
Feels like
+15
720 mmHg
82%
2.5
m/s
NW
Climate normal
+17
+13
4 October, Friday. day, 19°; night, 11°; clear
5
+19
+8
5 October, sat
+19
+8
Feels like
+13
718 mmHg
82%
4.2
m/s
N
Climate normal
+18
+13
5 October, Saturday. day, 19°; night, 8°; partly cloudy
6
+17
+8
6 October, sun
+17
+8
Feels like
+9
718 mmHg
73%
4.5
m/s
NE
Climate normal
+16
+13
6 October, Sunday. day, 17°; night, 8°; clear
7
+17
+8
7 October, mon
+17
+8
Feels like
+10
717 mmHg
69%
3.8
m/s
E
Climate normal
+17
+13
7 October, Monday. day, 17°; night, 8°; clear
8
+19
+10
8 October, tue
+19
+10
Feels like
+13
717 mmHg
76%
2.1
m/s
SE
Climate normal
+16
+13
8 October, Tuesday. day, 19°; night, 10°; mostly clear
9
+19
+9
9 October, wed
+19
+9
Feels like
+14
718 mmHg
73%
2
m/s
SW
Climate normal
+14
+11
9 October, Wednesday. day, 19°; night, 9°; mostly clear
10
+18
+13
10 October, thu
+18
+13
Feels like
+13
718 mmHg
74%
4.6
m/s
S
Climate normal
+14
+11
10 October, Thursday. day, 18°; night, 13°; rain
Average data for 10 years
Next, the average data for 10 years
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
6
sunny days
15
days with precipitation
9
cloudy days
6 sunny days; 15 days with precipitation; 9 cloudy days;
81
%
air humidity
4
m/s
Wind
SW
26
mm of precipitation
(4% of annual average)
air humidity 81%; 26 millimeters of precipitation (4% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
SW
S
S
NW
NW
S
SW
SW
SW
W
NW
W
S
S
SW
SW
SE
SW
S
SW
SW
NW
NW
N
NE
E
SE
SW
S
11
Average data for 10 years
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
10
Daytime temperature
Night-time temperature
