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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
+6
+4
15 December, sun
+6
+4
Feels like
+3
762 mmHg
82%
3.5
m/s
E
15 December, Sunday. day, 6°; night, 4°; overcast
16
December
+9
+6
16 December, mon
+9
+6
Feels like
+4
751 mmHg
81%
2.1
m/s
SE
Climate normal
+6
+5
16 December, Monday. day, 9°; night, 6°; rain
17
+9
+11
17 December, tue
+9
+11
Feels like
+3
754 mmHg
86%
4.4
m/s
E
Climate normal
+7
+4
17 December, Tuesday. day, 9°; night, 11°; rain
18
+11
+6
18 December, wed
+11
+6
Feels like
+4
759 mmHg
77%
7.2
m/s
S
Climate normal
+6
+4
18 December, Wednesday. day, 11°; night, 6°; thunderstorm with rain
19
+11
+9
19 December, thu
+11
+9
Feels like
+7
758 mmHg
78%
1.8
m/s
E
Climate normal
+6
+5
19 December, Thursday. day, 11°; night, 9°; rain
20
+12
+8
20 December, fri
+12
+8
Feels like
+9
753 mmHg
79%
2.2
m/s
NE
Climate normal
+6
+4
20 December, Friday. day, 12°; night, 8°; light rain
21
+10
+9
21 December, sat
+10
+9
Feels like
+4
748 mmHg
80%
5.5
m/s
S
Climate normal
+6
+4
21 December, Saturday. day, 10°; night, 9°; rain
22
+10
+9
22 December, sun
+10
+9
Feels like
+6
753 mmHg
83%
4.6
m/s
S
Climate normal
+6
+5
22 December, Sunday. day, 10°; night, 9°; heavy rain
23
+10
+8
23 December, mon
+10
+8
Feels like
+6
753 mmHg
83%
4.7
m/s
S
Climate normal
+6
+4
23 December, Monday. day, 10°; night, 8°; heavy rain
24
+9
+7
24 December, tue
+9
+7
Feels like
+5
751 mmHg
83%
4.5
m/s
S
Climate normal
+5
+4
24 December, Tuesday. day, 9°; night, 7°; rain
25
+9
+7
25 December, wed
+9
+7
Feels like
+3
756 mmHg
83%
5.4
m/s
S
Climate normal
+5
+3
25 December, Wednesday. day, 9°; night, 7°; light rain
26
+9
+7
26 December, thu
+9
+7
Feels like
+3
754 mmHg
81%
5.6
m/s
SW
Climate normal
+6
+5
26 December, Thursday. day, 9°; night, 7°; light rain
27
+9
+6
27 December, fri
+9
+6
Feels like
+3
756 mmHg
77%
5.6
m/s
S
Climate normal
+7
+5
27 December, Friday. day, 9°; night, 6°; overcast
28
+6
+2
28 December, sat
+6
+2
Feels like
0
727 mmHg
91%
4
m/s
E
Climate normal
+6
+5
28 December, Saturday. day, 6°; night, 2°; partly cloudy
29
+4
+2
29 December, sun
+4
+2
Feels like
−3
715 mmHg
99%
6.4
m/s
SE
Climate normal
+5
+3
29 December, Sunday. day, 4°; night, 2°; rain
30
+2
+2
30 December, mon
+2
+2
Feels like
−3
721 mmHg
99%
4.2
m/s
E
Climate normal
+5
+3
30 December, Monday. day, 2°; night, 2°; sleet
31
+7
+7
31 December, tue
+7
+7
Feels like
−2
714 mmHg
99%
7.1
m/s
E
Climate normal
+5
+3
31 December, Tuesday. day, 7°; night, 7°; rain
1 January
+8
+10
1 January, wed
+8
+10
Feels like
+2
717 mmHg
98%
5.8
m/s
E
Climate normal
+6
+4
1 January, Wednesday. day, 8°; night, 10°; rain
2
+11
+9
2 January, thu
+11
+9
Feels like
+7
712 mmHg
97%
6.1
m/s
SE
Climate normal
+5
+4
2 January, Thursday. day, 11°; night, 9°; rain
3
+6
0
3 January, fri
+6
0
Feels like
−2
719 mmHg
94%
4.4
m/s
W
Climate normal
+6
+4
3 January, Friday. day, 6°; night, 0°; light rain
4
+3
+1
4 January, sat
+3
+1
Feels like
−3
720 mmHg
90%
4
m/s
E
Climate normal
+6
+5
4 January, Saturday. day, 3°; night, 1°; partly cloudy
5
+4
+1
5 January, sun
+4
+1
Feels like
−3
719 mmHg
88%
4.4
m/s
E
Climate normal
+7
+5
5 January, Sunday. day, 4°; night, 1°; partly cloudy
6
+4
0
6 January, mon
+4
0
Feels like
−2
721 mmHg
88%
3.3
m/s
E
Climate normal
+7
+5
6 January, Monday. day, 4°; night, 0°; mostly clear
7
+5
+4
7 January, tue
+5
+4
Feels like
0
722 mmHg
80%
3.4
m/s
SE
Climate normal
+7
+6
7 January, Tuesday. day, 5°; night, 4°; partly cloudy
8
+8
+5
8 January, wed
+8
+5
Feels like
+2
717 mmHg
90%
6.3
m/s
SW
Climate normal
+8
+6
8 January, Wednesday. day, 8°; night, 5°; rain
9
+4
−1
9 January, thu
+4
−1
Feels like
−2
722 mmHg
89%
3.3
m/s
NE
Climate normal
+7
+5
9 January, Thursday. day, 4°; night, -1°; partly cloudy
10
+3
−2
10 January, fri
+3
−2
Feels like
−4
724 mmHg
76%
4
m/s
NE
Climate normal
+6
+5
10 January, Friday. day, 3°; night, -2°; clear
11
+2
+1
11 January, sat
+2
+1
Feels like
−5
719 mmHg
71%
2.9
m/s
SW
Climate normal
+7
+5
11 January, Saturday. day, 2°; night, 1°; mostly clear
12
+2
−2
12 January, sun
+2
−2
Feels like
−4
717 mmHg
91%
3.3
m/s
W
Climate normal
+8
+6
12 January, Sunday. day, 2°; night, -2°; sleet
13
0
−9
13 January, mon
0
−9
Feels like
−8
718 mmHg
86%
4.4
m/s
N
Climate normal
+8
+6
13 January, Monday. day, 0°; night, -9°; sleet
14
−9
−12
14 January, tue
−9
−12
Feels like
−17
720 mmHg
64%
5.4
m/s
NE
Climate normal
+7
+5
14 January, Tuesday. day, -9°; night, -12°; mostly clear
Average data for 10 years
Next, the average data for 10 years
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
5
sunny days
19
days with precipitation
6
cloudy days
5 sunny days; 19 days with precipitation; 6 cloudy days;
85
%
air humidity
4.5
m/s
Wind
E
71
mm of precipitation
(10% of annual average)
air humidity 85%; 71 millimeters of precipitation (10% of annual average); Wind easterly 4.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
E
S
E
NE
S
S
S
S
S
SW
S
E
SE
E
E
E
SE
W
E
E
E
SE
SW
NE
NE
SW
W
N
NE
16
Average data for 10 years
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
14
Daytime temperature
Night-time temperature
