10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
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
1 September
+21
+16
1 September, sun
+21
+16
Feels like
+21
759 mmHg
62%
3
m/s
NE
1 September, Sunday. day, 21°; night, 16°; clear
2
+21
+16
2 September, mon
+21
+16
Feels like
+21
760 mmHg
63%
2.9
m/s
N
2 September, Monday. day, 21°; night, 16°; partly cloudy
3
+21
+16
3 September, tue
+21
+16
Feels like
+21
760 mmHg
61%
3
m/s
N
3 September, Tuesday. day, 21°; night, 16°; clear
4
+21
+16
4 September, wed
+21
+16
Feels like
+20
759 mmHg
62%
3.5
m/s
N
4 September, Wednesday. day, 21°; night, 16°; rain
5
+21
+16
5 September, thu
+21
+16
Feels like
+20
759 mmHg
66%
3
m/s
SE
5 September, Thursday. day, 21°; night, 16°; partly cloudy
6
September
+33
+14
6 September, fri
+33
+14
Feels like
+26
756 mmHg
56%
3.2
m/s
NW
Climate normal
+21
+16
6 September, Friday. day, 33°; night, 14°; mostly clear
7
+30
+15
7 September, sat
+30
+15
Feels like
+25
753 mmHg
62%
2.8
m/s
W
Climate normal
+22
+17
7 September, Saturday. day, 30°; night, 15°; partly cloudy
8
+28
+14
8 September, sun
+28
+14
Feels like
+23
754 mmHg
68%
3.1
m/s
SW
Climate normal
+21
+16
8 September, Sunday. day, 28°; night, 14°; mostly clear
9
+24
+13
9 September, mon
+24
+13
Feels like
+21
753 mmHg
72%
2.9
m/s
SW
Climate normal
+21
+17
9 September, Monday. day, 24°; night, 13°; overcast
10
+21
+12
10 September, tue
+21
+12
Feels like
+16
753 mmHg
68%
3.4
m/s
SW
Climate normal
+24
+17
10 September, Tuesday. day, 21°; night, 12°; partly cloudy
11
+18
+9
11 September, wed
+18
+9
Feels like
+13
752 mmHg
69%
4
m/s
W
Climate normal
+22
+17
11 September, Wednesday. day, 18°; night, 9°; light rain
12
+21
+10
12 September, thu
+21
+10
Feels like
+15
755 mmHg
65%
3.5
m/s
W
Climate normal
+21
+15
12 September, Thursday. day, 21°; night, 10°; partly cloudy
13
+22
+12
13 September, fri
+22
+12
Feels like
+17
755 mmHg
66%
2.8
m/s
W
Climate normal
+21
+16
13 September, Friday. day, 22°; night, 12°; partly cloudy
14
+21
+10
14 September, sat
+21
+10
Feels like
+17
754 mmHg
73%
3
m/s
SW
Climate normal
+22
+16
14 September, Saturday. day, 21°; night, 10°; overcast
15
+23
+11
15 September, sun
+23
+11
Feels like
+18
753 mmHg
69%
3.1
m/s
W
Climate normal
+20
+16
15 September, Sunday. day, 23°; night, 11°; partly cloudy
16
+22
+11
16 September, mon
+22
+11
Feels like
+18
754 mmHg
71%
3.4
m/s
NW
Climate normal
+19
+15
16 September, Monday. day, 22°; night, 11°; partly cloudy
17
+22
+8
17 September, tue
+22
+8
Feels like
+18
754 mmHg
70%
3.6
m/s
NW
Climate normal
+20
+15
17 September, Tuesday. day, 22°; night, 8°; partly cloudy
18
+14
+3
18 September, wed
+14
+3
Feels like
+6
708 mmHg
74%
4.5
m/s
W
Climate normal
+19
+15
18 September, Wednesday. day, 14°; night, 3°; mostly clear
19
+16
+5
19 September, thu
+16
+5
Feels like
+11
708 mmHg
95%
2.5
m/s
NW
Climate normal
+19
+14
19 September, Thursday. day, 16°; night, 5°; clear
20
+20
+11
20 September, fri
+20
+11
Feels like
+13
709 mmHg
86%
1.8
m/s
NW
Climate normal
+19
+14
20 September, Friday. day, 20°; night, 11°; mostly clear
21
+14
+11
21 September, sat
+14
+11
Feels like
+11
710 mmHg
86%
3.1
m/s
SW
Climate normal
+19
+15
21 September, Saturday. day, 14°; night, 11°; rain
22
+14
+10
22 September, sun
+14
+10
Feels like
+8
712 mmHg
62%
5.9
m/s
S
Climate normal
+18
+14
22 September, Sunday. day, 14°; night, 10°; rain
23
+10
+7
23 September, mon
+10
+7
Feels like
+4
711 mmHg
53%
4.4
m/s
SW
Climate normal
+19
+15
23 September, Monday. day, 10°; night, 7°; light rain
24
+11
+7
24 September, tue
+11
+7
Feels like
+6
710 mmHg
53%
1.9
m/s
SW
Climate normal
+18
+14
24 September, Tuesday. day, 11°; night, 7°; light rain
25
+9
+8
25 September, wed
+9
+8
Feels like
+3
711 mmHg
54%
5.9
m/s
SW
Climate normal
+17
+14
25 September, Wednesday. day, 9°; night, 8°; rain
26
+14
+9
26 September, thu
+14
+9
Feels like
+8
710 mmHg
52%
1.9
m/s
NW
Climate normal
+19
+15
26 September, Thursday. day, 14°; night, 9°; partly cloudy
27
+19
+9
27 September, fri
+19
+9
Feels like
+12
711 mmHg
64%
3.3
m/s
E
Climate normal
+18
+13
27 September, Friday. day, 19°; night, 9°; clear
28
+21
+10
28 September, sat
+21
+10
Feels like
+14
707 mmHg
64%
2
m/s
NW
Climate normal
+18
+14
28 September, Saturday. day, 21°; night, 10°; partly cloudy
29
+21
+10
29 September, sun
+21
+10
Feels like
+17
709 mmHg
85%
2.5
m/s
NW
Climate normal
+17
+13
29 September, Sunday. day, 21°; night, 10°; partly cloudy
30
+23
+13
30 September, mon
+23
+13
Feels like
+19
709 mmHg
83%
3.5
m/s
NE
Climate normal
+16
+13
30 September, Monday. day, 23°; night, 13°; mostly clear
1 October
+24
+9
1 October, tue
+24
+9
Feels like
+19
708 mmHg
94%
3.6
m/s
E
Climate normal
+16
+13
1 October, Tuesday. day, 24°; night, 9°; clear
2
+23
+11
2 October, wed
+23
+11
Feels like
+19
712 mmHg
81%
2.9
m/s
W
Climate normal
+16
+12
2 October, Wednesday. day, 23°; night, 11°; clear
3
+24
+10
3 October, thu
+24
+10
Feels like
+19
710 mmHg
64%
1.6
m/s
NE
Climate normal
+16
+13
3 October, Thursday. day, 24°; night, 10°; clear
4
+24
+8
4 October, fri
+24
+8
Feels like
+19
708 mmHg
60%
2.5
m/s
NW
Climate normal
+17
+12
4 October, Friday. day, 24°; night, 8°; clear
5
+24
+11
5 October, sat
+24
+11
Feels like
+17
705 mmHg
57%
0.9
m/s
NW
Climate normal
+17
+13
5 October, Saturday. day, 24°; night, 11°; clear
Average for 30 days
12
sunny days
6
days with precipitation
12
cloudy days
12 sunny days; 6 days with precipitation; 12 cloudy days;
69
%
air humidity
3.1
m/s
Wind
NW
10
mm of precipitation
(2% of annual average)
air humidity 69%; 10 millimeters of precipitation (2% of annual average); Wind north-westerly 3.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
W
SW
SW
SW
W
W
W
SW
W
NW
NW
W
NW
NW
SW
S
SW
SW
SW
NW
E
NW
NW
NE
E
W
NE
NW
NW
6
Average data for 10 years
7
8
9
10
11
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
Daytime temperature
Night-time temperature
