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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
15
December
+8
+5
15 December, sun
+8
+5
Feels like
+2
758 mmHg
75%
4.8
m/s
S
Climate normal
+6
+4
15 December, Sunday. day, 8°; night, 5°; partly cloudy
16
+8
+6
16 December, mon
+8
+6
Feels like
+4
751 mmHg
83%
2.1
m/s
SE
Climate normal
+6
+5
16 December, Monday. day, 8°; night, 6°; rain
17
+9
+9
17 December, tue
+9
+9
Feels like
+4
755 mmHg
86%
4.6
m/s
SE
Climate normal
+7
+4
17 December, Tuesday. day, 9°; night, 9°; rain
18
+12
+7
18 December, wed
+12
+7
Feels like
+4
757 mmHg
77%
8.9
m/s
SW
Climate normal
+6
+4
18 December, Wednesday. day, 12°; night, 7°; rain
19
+11
+9
19 December, thu
+11
+9
Feels like
+6
757 mmHg
76%
2.6
m/s
S
Climate normal
+6
+5
19 December, Thursday. day, 11°; night, 9°; light rain
20
+12
+9
20 December, fri
+12
+9
Feels like
+8
755 mmHg
71%
2.9
m/s
SE
Climate normal
+6
+4
20 December, Friday. day, 12°; night, 9°; light rain
21
+10
+10
21 December, sat
+10
+10
Feels like
+5
750 mmHg
74%
3.3
m/s
S
Climate normal
+6
+4
21 December, Saturday. day, 10°; night, 10°; light rain
22
+10
+8
22 December, sun
+10
+8
Feels like
+5
749 mmHg
81%
5.4
m/s
S
Climate normal
+6
+5
22 December, Sunday. day, 10°; night, 8°; heavy rain
23
+10
+7
23 December, mon
+10
+7
Feels like
+4
754 mmHg
81%
6.1
m/s
S
Climate normal
+6
+4
23 December, Monday. day, 10°; night, 7°; rain
24
+10
+6
24 December, tue
+10
+6
Feels like
+4
747 mmHg
78%
5.5
m/s
S
Climate normal
+5
+4
24 December, Tuesday. day, 10°; night, 6°; light rain
25
+8
+6
25 December, wed
+8
+6
Feels like
+1
753 mmHg
82%
6.3
m/s
SW
Climate normal
+5
+3
25 December, Wednesday. day, 8°; night, 6°; overcast
26
+9
+8
26 December, thu
+9
+8
Feels like
+2
751 mmHg
86%
7.4
m/s
S
Climate normal
+6
+5
26 December, Thursday. day, 9°; night, 8°; overcast
27
+5
+7
27 December, fri
+5
+7
Feels like
+2
716 mmHg
100%
2.5
m/s
SW
Climate normal
+7
+5
27 December, Friday. day, 5°; night, 7°; rain
28
+6
0
28 December, sat
+6
0
Feels like
−2
723 mmHg
96%
5.3
m/s
W
Climate normal
+6
+5
28 December, Saturday. day, 6°; night, 0°; light rain
29
+2
0
29 December, sun
+2
0
Feels like
−3
717 mmHg
94%
2.6
m/s
SE
Climate normal
+5
+3
29 December, Sunday. day, 2°; night, 0°; sleet
30
+1
−2
30 December, mon
+1
−2
Feels like
−3
711 mmHg
99%
3.4
m/s
W
Climate normal
+5
+3
30 December, Monday. day, 1°; night, -2°; sleet
31
−3
−7
31 December, tue
−3
−7
Feels like
−9
715 mmHg
97%
2.9
m/s
NE
Climate normal
+5
+3
31 December, Tuesday. day, -3°; night, -7°; partly cloudy
1 January
−6
−11
1 January, wed
−6
−11
Feels like
−13
715 mmHg
91%
5
m/s
N
Climate normal
+6
+4
1 January, Wednesday. day, -6°; night, -11°; partly cloudy
2
−10
−16
2 January, thu
−10
−16
Feels like
−19
719 mmHg
84%
5.2
m/s
NE
Climate normal
+5
+4
2 January, Thursday. day, -10°; night, -16°; partly cloudy
3
−12
−17
3 January, fri
−12
−17
Feels like
−21
721 mmHg
81%
3.6
m/s
E
Climate normal
+6
+4
3 January, Friday. day, -12°; night, -17°; clear
4
−11
−11
4 January, sat
−11
−11
Feels like
−20
718 mmHg
82%
5.5
m/s
E
Climate normal
+6
+5
4 January, Saturday. day, -11°; night, -11°; light snow
5
−8
−4
5 January, sun
−8
−4
Feels like
−16
709 mmHg
94%
6.1
m/s
E
Climate normal
+7
+5
5 January, Sunday. day, -8°; night, -4°; snow
6
0
0
6 January, mon
0
0
Feels like
−7
708 mmHg
100%
6.6
m/s
SW
Climate normal
+7
+5
6 January, Monday. day, 0°; night, 0°; sleet
7
0
0
7 January, tue
0
0
Feels like
−7
709 mmHg
100%
6.9
m/s
SE
Climate normal
+7
+6
7 January, Tuesday. day, 0°; night, 0°; sleet
8
+1
−2
8 January, wed
+1
−2
Feels like
−4
713 mmHg
100%
4.4
m/s
SW
Climate normal
+8
+6
8 January, Wednesday. day, 1°; night, -2°; sleet
9
−1
−2
9 January, thu
−1
−2
Feels like
−7
702 mmHg
98%
6
m/s
E
Climate normal
+7
+5
9 January, Thursday. day, -1°; night, -2°; snow
10
0
−1
10 January, fri
0
−1
Feels like
−6
708 mmHg
100%
3.6
m/s
SW
Climate normal
+6
+5
10 January, Friday. day, 0°; night, -1°; sleet
11
0
+1
11 January, sat
0
+1
Feels like
−9
697 mmHg
99%
8
m/s
SE
Climate normal
+7
+5
11 January, Saturday. day, 0°; night, 1°; sleet
12
0
−13
12 January, sun
0
−13
Feels like
−10
706 mmHg
98%
6.8
m/s
SW
Climate normal
+8
+6
12 January, Sunday. day, 0°; night, -13°; sleet
13
−4
−6
13 January, mon
−4
−6
Feels like
−9
714 mmHg
98%
2.3
m/s
E
Climate normal
+8
+6
13 January, Monday. day, -4°; night, -6°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
14
+7
+5
14 January, tue
+7
+5
Feels like
+4
767 mmHg
80%
3.7
m/s
S
14 January, Tuesday. day, 7°; night, 5°; overcast
15
+6
+5
15 January, wed
+6
+5
Feels like
+3
767 mmHg
77%
3.5
m/s
E
15 January, Wednesday. day, 6°; night, 5°; rain
16
+7
+5
16 January, thu
+7
+5
Feels like
+4
765 mmHg
81%
3.5
m/s
S
16 January, Thursday. day, 7°; night, 5°; rain
17
+6
+5
17 January, fri
+6
+5
Feels like
+3
762 mmHg
82%
3.7
m/s
E
17 January, Friday. day, 6°; night, 5°; rain
18
+7
+5
18 January, sat
+7
+5
Feels like
+4
760 mmHg
79%
4.5
m/s
E
18 January, Saturday. day, 7°; night, 5°; clear
Average for 30 days
1
sunny day
22
days with precipitation
7
cloudy days
1 sunny day; 22 days with precipitation; 7 cloudy days;
89
%
air humidity
4.9
m/s
Wind
S
97
mm of precipitation
(14% of annual average)
air humidity 89%; 97 millimeters of precipitation (14% of annual average); Wind southerly 4.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
SE
SE
SW
S
SE
S
S
S
S
SW
S
SW
W
SE
W
NE
N
NE
E
E
E
SW
SE
SW
E
SW
SE
SW
E
15
Average data for 10 years
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
January
2
3
4
5
6
7
8
9
10
11
12
13
Daytime temperature
Night-time temperature
