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Monthly weather forecast in Issaquah
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
+2
761 mmHg
82%
3.7
m/s
E
15 December, Sunday. day, 6°; night, 4°; overcast
16
+5
+4
16 December, mon
+5
+4
Feels like
+2
759 mmHg
76%
4.1
m/s
SE
16 December, Monday. day, 5°; night, 4°; clear
17
+6
+3
17 December, tue
+6
+3
Feels like
+2
757 mmHg
85%
4.4
m/s
SE
17 December, Tuesday. day, 6°; night, 3°; rain
18
December
+11
+2
18 December, wed
+11
+2
Feels like
0
760 mmHg
88%
9.6
m/s
S
Climate normal
+5
+3
18 December, Wednesday. day, 11°; night, 2°; rain
19
+12
+7
19 December, thu
+12
+7
Feels like
+4
757 mmHg
70%
4.8
m/s
E
Climate normal
+5
+5
19 December, Thursday. day, 12°; night, 7°; rain
20
+12
+8
20 December, fri
+12
+8
Feels like
+6
754 mmHg
70%
6.3
m/s
E
Climate normal
+6
+3
20 December, Friday. day, 12°; night, 8°; light rain
21
+11
+6
21 December, sat
+11
+6
Feels like
+4
751 mmHg
83%
8.2
m/s
S
Climate normal
+5
+3
21 December, Saturday. day, 11°; night, 6°; light rain
22
+9
+8
22 December, sun
+9
+8
Feels like
+2
751 mmHg
87%
7.4
m/s
E
Climate normal
+6
+4
22 December, Sunday. day, 9°; night, 8°; heavy rain
23
+12
+9
23 December, mon
+12
+9
Feels like
+5
754 mmHg
88%
4.8
m/s
E
Climate normal
+5
+3
23 December, Monday. day, 12°; night, 9°; light rain
24
+9
+6
24 December, tue
+9
+6
Feels like
+5
749 mmHg
90%
4.4
m/s
S
Climate normal
+4
+3
24 December, Tuesday. day, 9°; night, 6°; rain
25
+8
+7
25 December, wed
+8
+7
Feels like
+2
753 mmHg
93%
6
m/s
SE
Climate normal
+4
+2
25 December, Wednesday. day, 8°; night, 7°; rain
26
+10
+8
26 December, thu
+10
+8
Feels like
+4
743 mmHg
91%
5.7
m/s
S
Climate normal
+5
+5
26 December, Thursday. day, 10°; night, 8°; heavy rain
27
+10
+6
27 December, fri
+10
+6
Feels like
+5
750 mmHg
89%
4.5
m/s
S
Climate normal
+6
+5
27 December, Friday. day, 10°; night, 6°; light rain
28
+10
+7
28 December, sat
+10
+7
Feels like
+3
752 mmHg
89%
5.3
m/s
S
Climate normal
+6
+4
28 December, Saturday. day, 10°; night, 7°; light rain
29
+8
+6
29 December, sun
+8
+6
Feels like
+5
752 mmHg
91%
3.4
m/s
S
Climate normal
+5
+3
29 December, Sunday. day, 8°; night, 6°; overcast
30
+1
+2
30 December, mon
+1
+2
Feels like
−4
709 mmHg
98%
4.5
m/s
E
Climate normal
+4
+2
30 December, Monday. day, 1°; night, 2°; sleet
31
+2
+1
31 December, tue
+2
+1
Feels like
−1
714 mmHg
100%
1.8
m/s
SW
Climate normal
+4
+2
31 December, Tuesday. day, 2°; night, 1°; partly cloudy
1 January
+2
−1
1 January, wed
+2
−1
Feels like
−3
713 mmHg
97%
2.6
m/s
E
Climate normal
+5
+2
1 January, Wednesday. day, 2°; night, -1°; partly cloudy
2
+1
−2
2 January, thu
+1
−2
Feels like
−5
712 mmHg
95%
4
m/s
E
Climate normal
+5
+3
2 January, Thursday. day, 1°; night, -2°; partly cloudy
3
0
+1
3 January, fri
0
+1
Feels like
−6
709 mmHg
92%
5.6
m/s
E
Climate normal
+5
+3
3 January, Friday. day, 0°; night, 1°; sleet
4
+2
+3
4 January, sat
+2
+3
Feels like
−2
706 mmHg
100%
2.7
m/s
E
Climate normal
+6
+4
4 January, Saturday. day, 2°; night, 3°; sleet
5
+5
+1
5 January, sun
+5
+1
Feels like
0
705 mmHg
98%
2.7
m/s
SW
Climate normal
+6
+5
5 January, Sunday. day, 5°; night, 1°; light rain
6
+6
+6
6 January, mon
+6
+6
Feels like
+1
701 mmHg
100%
4.4
m/s
SE
Climate normal
+7
+5
6 January, Monday. day, 6°; night, 6°; rain
7
+6
+5
7 January, tue
+6
+5
Feels like
+2
704 mmHg
98%
4.9
m/s
S
Climate normal
+6
+5
7 January, Tuesday. day, 6°; night, 5°; rain
8
+9
+10
8 January, wed
+9
+10
Feels like
+5
706 mmHg
99%
3.8
m/s
S
Climate normal
+7
+5
8 January, Wednesday. day, 9°; night, 10°; rain
9
+11
+9
9 January, thu
+11
+9
Feels like
+7
705 mmHg
98%
5.5
m/s
S
Climate normal
+6
+4
9 January, Thursday. day, 11°; night, 9°; rain
10
+7
+4
10 January, fri
+7
+4
Feels like
+1
709 mmHg
96%
5.4
m/s
W
Climate normal
+6
+4
10 January, Friday. day, 7°; night, 4°; rain
11
+5
+6
11 January, sat
+5
+6
Feels like
0
708 mmHg
99%
3.8
m/s
S
Climate normal
+6
+4
11 January, Saturday. day, 5°; night, 6°; rain
12
+8
+4
12 January, sun
+8
+4
Feels like
+4
707 mmHg
99%
3.6
m/s
SW
Climate normal
+7
+5
12 January, Sunday. day, 8°; night, 4°; rain
13
+5
−1
13 January, mon
+5
−1
Feels like
+1
711 mmHg
94%
1.7
m/s
NW
Climate normal
+7
+5
13 January, Monday. day, 5°; night, -1°; partly cloudy
14
+5
+3
14 January, tue
+5
+3
Feels like
0
710 mmHg
91%
3.3
m/s
E
Climate normal
+6
+4
14 January, Tuesday. day, 5°; night, 3°; mostly clear
15
+3
+2
15 January, wed
+3
+2
Feels like
−2
709 mmHg
98%
4.7
m/s
SW
Climate normal
+6
+4
15 January, Wednesday. day, 3°; night, 2°; rain
16
+3
0
16 January, thu
+3
0
Feels like
−1
715 mmHg
95%
2.1
m/s
E
Climate normal
+6
+5
16 January, Thursday. day, 3°; night, 0°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
17
+6
+4
17 January, fri
+6
+4
Feels like
+2
760 mmHg
82%
4
m/s
E
17 January, Friday. day, 6°; night, 4°; rain
18
+6
+5
18 January, sat
+6
+5
Feels like
+3
759 mmHg
79%
4.6
m/s
E
18 January, Saturday. day, 6°; night, 5°; rain
Average for 30 days
1
sunny day
23
days with precipitation
6
cloudy days
1 sunny day; 23 days with precipitation; 6 cloudy days;
93
%
air humidity
4.6
m/s
Wind
S
79
mm of precipitation
(10% of annual average)
air humidity 93%; 79 millimeters of precipitation (10% of annual average); Wind southerly 4.6 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
E
E
S
E
E
S
SE
S
S
S
S
E
SW
E
E
E
E
SW
SE
S
S
S
W
S
SW
NW
E
SW
E
18
Average data for 10 years
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
15
16
Daytime temperature
Night-time temperature
