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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
11
+24
+19
11 August, sun
+24
+19
Feels like
+25
760 mmHg
62%
2.9
m/s
NW
11 August, Sunday. day, 24°; night, 19°; partly cloudy
12
+24
+19
12 August, mon
+24
+19
Feels like
+25
760 mmHg
62%
2.7
m/s
NW
12 August, Monday. day, 24°; night, 19°; clear
13
+24
+19
13 August, tue
+24
+19
Feels like
+24
760 mmHg
58%
3
m/s
NW
13 August, Tuesday. day, 24°; night, 19°; clear
14
August
+26
+16
14 August, wed
+26
+16
Feels like
+21
758 mmHg
68%
3.8
m/s
NW
Climate normal
+24
+19
14 August, Wednesday. day, 26°; night, 16°; partly cloudy
15
+23
+15
15 August, thu
+23
+15
Feels like
+20
758 mmHg
68%
3.3
m/s
SW
Climate normal
+26
+20
15 August, Thursday. day, 23°; night, 15°; overcast
16
+22
+14
16 August, fri
+22
+14
Feels like
+18
756 mmHg
59%
3.7
m/s
S
Climate normal
+27
+20
16 August, Friday. day, 22°; night, 14°; partly cloudy
17
+23
+15
17 August, sat
+23
+15
Feels like
+18
751 mmHg
67%
5.6
m/s
N
Climate normal
+25
+20
17 August, Saturday. day, 23°; night, 15°; light rain
18
+22
+14
18 August, sun
+22
+14
Feels like
+18
757 mmHg
68%
5.1
m/s
S
Climate normal
+25
+19
18 August, Sunday. day, 22°; night, 14°; light rain
19
+23
+15
19 August, mon
+23
+15
Feels like
+19
757 mmHg
69%
3.9
m/s
SW
Climate normal
+24
+18
19 August, Monday. day, 23°; night, 15°; partly cloudy
20
+22
+15
20 August, tue
+22
+15
Feels like
+18
760 mmHg
68%
4
m/s
NW
Climate normal
+24
+18
20 August, Tuesday. day, 22°; night, 15°; light rain
21
+22
+15
21 August, wed
+22
+15
Feels like
+19
758 mmHg
70%
4.1
m/s
SW
Climate normal
+23
+17
21 August, Wednesday. day, 22°; night, 15°; light rain
22
+22
+15
22 August, thu
+22
+15
Feels like
+17
758 mmHg
70%
4.4
m/s
SW
Climate normal
+23
+18
22 August, Thursday. day, 22°; night, 15°; light rain
23
+22
+14
23 August, fri
+22
+14
Feels like
+17
756 mmHg
71%
4.9
m/s
NW
Climate normal
+24
+18
23 August, Friday. day, 22°; night, 14°; mostly clear
24
+22
+14
24 August, sat
+22
+14
Feels like
+16
756 mmHg
72%
5.3
m/s
SW
Climate normal
+24
+18
24 August, Saturday. day, 22°; night, 14°; partly cloudy
25
+25
+15
25 August, sun
+25
+15
Feels like
+18
758 mmHg
63%
5.3
m/s
W
Climate normal
+24
+19
25 August, Sunday. day, 25°; night, 15°; partly cloudy
26
+26
+12
26 August, mon
+26
+12
Feels like
+18
750 mmHg
69%
4.5
m/s
NW
Climate normal
+26
+19
26 August, Monday. day, 26°; night, 12°; partly cloudy
27
+22
+11
27 August, tue
+22
+11
Feels like
+16
720 mmHg
66%
3.4
m/s
NW
Climate normal
+22
+18
27 August, Tuesday. day, 22°; night, 11°; clear
28
+18
+11
28 August, wed
+18
+11
Feels like
+14
717 mmHg
76%
3.7
m/s
W
Climate normal
+21
+16
28 August, Wednesday. day, 18°; night, 11°; clear
29
+21
+8
29 August, thu
+21
+8
Feels like
+13
717 mmHg
68%
3.8
m/s
NW
Climate normal
+22
+16
29 August, Thursday. day, 21°; night, 8°; clear
30
+22
+8
30 August, fri
+22
+8
Feels like
+15
715 mmHg
60%
4.1
m/s
W
Climate normal
+20
+16
30 August, Friday. day, 22°; night, 8°; clear
31
+21
+7
31 August, sat
+21
+7
Feels like
+13
714 mmHg
64%
4.5
m/s
W
Climate normal
+21
+17
31 August, Saturday. day, 21°; night, 7°; clear
1 September
+23
+9
1 September, sun
+23
+9
Feels like
+16
715 mmHg
63%
3.6
m/s
W
Climate normal
+22
+16
1 September, Sunday. day, 23°; night, 9°; partly cloudy
2
+22
+12
2 September, mon
+22
+12
Feels like
+16
717 mmHg
62%
4.7
m/s
W
Climate normal
+22
+17
2 September, Monday. day, 22°; night, 12°; partly cloudy
3
+21
+8
3 September, tue
+21
+8
Feels like
+12
722 mmHg
71%
4.5
m/s
NW
Climate normal
+22
+17
3 September, Tuesday. day, 21°; night, 8°; clear
4
+24
+9
4 September, wed
+24
+9
Feels like
+17
719 mmHg
52%
2.8
m/s
NW
Climate normal
+22
+17
4 September, Wednesday. day, 24°; night, 9°; clear
5
+22
+11
5 September, thu
+22
+11
Feels like
+15
717 mmHg
64%
4.8
m/s
W
Climate normal
+21
+17
5 September, Thursday. day, 22°; night, 11°; partly cloudy
6
+21
+9
6 September, fri
+21
+9
Feels like
+12
717 mmHg
59%
3.1
m/s
NW
Climate normal
+22
+17
6 September, Friday. day, 21°; night, 9°; clear
7
+25
+6
7 September, sat
+25
+6
Feels like
+16
718 mmHg
49%
3.1
m/s
W
Climate normal
+22
+18
7 September, Saturday. day, 25°; night, 6°; clear
8
+19
+14
8 September, sun
+19
+14
Feels like
+15
716 mmHg
69%
3.6
m/s
SW
Climate normal
+22
+17
8 September, Sunday. day, 19°; night, 14°; light rain
9
+19
+8
9 September, mon
+19
+8
Feels like
+12
714 mmHg
74%
4.1
m/s
W
Climate normal
+22
+17
9 September, Monday. day, 19°; night, 8°; partly cloudy
10
+22
+11
10 September, tue
+22
+11
Feels like
+14
713 mmHg
56%
4.1
m/s
NW
Climate normal
+25
+18
10 September, Tuesday. day, 22°; night, 11°; mostly clear
11
+25
+12
11 September, wed
+25
+12
Feels like
+15
714 mmHg
31%
3.6
m/s
NE
Climate normal
+23
+17
11 September, Wednesday. day, 25°; night, 12°; clear
12
+27
+15
12 September, thu
+27
+15
Feels like
+18
715 mmHg
38%
4.7
m/s
NE
Climate normal
+21
+16
12 September, Thursday. day, 27°; night, 15°; clear
Average data for 10 years
Next, the average data for 10 years
13
+22
+16
13 September, fri
+22
+16
Feels like
+21
759 mmHg
56%
3
m/s
N
13 September, Friday. day, 22°; night, 16°; clear
14
+22
+17
14 September, sat
+22
+17
Feels like
+22
759 mmHg
55%
2.5
m/s
W
14 September, Saturday. day, 22°; night, 17°; partly cloudy
Average for 30 days
15
sunny days
4
days with precipitation
11
cloudy days
15 sunny days; 4 days with precipitation; 11 cloudy days;
63
%
air humidity
4.1
m/s
Wind
NW
4
mm of precipitation
(1% of annual average)
air humidity 63%; 4 millimeters of precipitation (1% of annual average); Wind north-westerly 4.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
SW
S
N
S
SW
NW
SW
SW
NW
SW
W
NW
NW
W
NW
W
W
W
W
NW
NW
W
NW
W
SW
W
NW
NE
NE
14
Average data for 10 years
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
Daytime temperature
Night-time temperature
