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Monthly weather forecast in Walla Walla
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
18
+31
+25
18 August, sun
+31
+25
Feels like
+29
716 mmHg
28%
5.3
m/s
SW
18 August, Sunday. day, 31°; night, 25°; clear
19
+30
+25
19 August, mon
+30
+25
Feels like
+28
716 mmHg
31%
5.3
m/s
W
19 August, Monday. day, 30°; night, 25°; clear
20
+29
+24
20 August, tue
+29
+24
Feels like
+26
716 mmHg
30%
5
m/s
SW
20 August, Tuesday. day, 29°; night, 24°; clear
21
+28
+22
21 August, wed
+28
+22
Feels like
+25
717 mmHg
33%
6.5
m/s
W
21 August, Wednesday. day, 28°; night, 22°; clear
22
+27
+22
22 August, thu
+27
+22
Feels like
+25
718 mmHg
36%
4.8
m/s
SW
22 August, Thursday. day, 27°; night, 22°; clear
23
+28
+23
23 August, fri
+28
+23
Feels like
+26
717 mmHg
31%
4.9
m/s
SW
23 August, Friday. day, 28°; night, 23°; clear
24
August
+23
+16
24 August, sat
+23
+16
Feels like
+16
734 mmHg
46%
5.4
m/s
W
Climate normal
+29
+24
24 August, Saturday. day, 23°; night, 16°; partly cloudy
25
+25
+13
25 August, sun
+25
+13
Feels like
+20
739 mmHg
46%
3.7
m/s
W
Climate normal
+29
+24
25 August, Sunday. day, 25°; night, 13°; mostly clear
26
+30
+20
26 August, mon
+30
+20
Feels like
+24
737 mmHg
40%
2.7
m/s
W
Climate normal
+30
+25
26 August, Monday. day, 30°; night, 20°; mostly clear
27
+25
+10
27 August, tue
+25
+10
Feels like
+17
737 mmHg
39%
7.6
m/s
SW
Climate normal
+29
+23
27 August, Tuesday. day, 25°; night, 10°; partly cloudy
28
+25
+10
28 August, wed
+25
+10
Feels like
+18
740 mmHg
33%
3.4
m/s
NW
Climate normal
+28
+22
28 August, Wednesday. day, 25°; night, 10°; clear
29
+30
+13
29 August, thu
+30
+13
Feels like
+21
738 mmHg
30%
3.3
m/s
NW
Climate normal
+26
+21
29 August, Thursday. day, 30°; night, 13°; clear
30
+33
+16
30 August, fri
+33
+16
Feels like
+24
736 mmHg
29%
2.9
m/s
NW
Climate normal
+25
+20
30 August, Friday. day, 33°; night, 16°; clear
31
+34
+17
31 August, sat
+34
+17
Feels like
+25
734 mmHg
28%
3.5
m/s
NW
Climate normal
+27
+21
31 August, Saturday. day, 34°; night, 17°; clear
1 September
+33
+18
1 September, sun
+33
+18
Feels like
+25
732 mmHg
32%
4
m/s
NW
Climate normal
+27
+21
1 September, Sunday. day, 33°; night, 18°; clear
2
+32
+18
2 September, mon
+32
+18
Feels like
+25
732 mmHg
32%
4.7
m/s
NW
Climate normal
+26
+22
2 September, Monday. day, 32°; night, 18°; partly cloudy
3
+30
+18
3 September, tue
+30
+18
Feels like
+23
732 mmHg
33%
4.3
m/s
W
Climate normal
+26
+21
3 September, Tuesday. day, 30°; night, 18°; partly cloudy
4
+29
+19
4 September, wed
+29
+19
Feels like
+22
732 mmHg
43%
4.3
m/s
NW
Climate normal
+25
+20
4 September, Wednesday. day, 29°; night, 19°; partly cloudy
5
+28
+16
5 September, thu
+28
+16
Feels like
+21
725 mmHg
57%
4.2
m/s
S
Climate normal
+25
+21
5 September, Thursday. day, 28°; night, 16°; partly cloudy
6
+28
+17
6 September, fri
+28
+17
Feels like
+21
694 mmHg
40%
3.8
m/s
E
Climate normal
+25
+20
6 September, Friday. day, 28°; night, 17°; clear
7
+29
+19
7 September, sat
+29
+19
Feels like
+24
692 mmHg
40%
2.2
m/s
NW
Climate normal
+26
+21
7 September, Saturday. day, 29°; night, 19°; clear
8
+21
+13
8 September, sun
+21
+13
Feels like
+16
691 mmHg
50%
4.2
m/s
W
Climate normal
+27
+22
8 September, Sunday. day, 21°; night, 13°; partly cloudy
9
+19
+7
9 September, mon
+19
+7
Feels like
+11
694 mmHg
59%
3.4
m/s
NW
Climate normal
+26
+21
9 September, Monday. day, 19°; night, 7°; mostly clear
10
+22
+10
10 September, tue
+22
+10
Feels like
+15
693 mmHg
56%
2.5
m/s
E
Climate normal
+27
+22
10 September, Tuesday. day, 22°; night, 10°; clear
11
+21
+11
11 September, wed
+21
+11
Feels like
+15
689 mmHg
55%
4.3
m/s
W
Climate normal
+28
+22
11 September, Wednesday. day, 21°; night, 11°; mostly clear
12
+12
+7
12 September, thu
+12
+7
Feels like
+7
690 mmHg
72%
4.3
m/s
W
Climate normal
+26
+21
12 September, Thursday. day, 12°; night, 7°; light rain
13
+16
+12
13 September, fri
+16
+12
Feels like
+9
693 mmHg
64%
3
m/s
NW
Climate normal
+25
+21
13 September, Friday. day, 16°; night, 12°; mostly clear
14
+20
+12
14 September, sat
+20
+12
Feels like
+14
692 mmHg
55%
3.1
m/s
W
Climate normal
+25
+19
14 September, Saturday. day, 20°; night, 12°; mostly clear
15
+20
+11
15 September, sun
+20
+11
Feels like
+14
694 mmHg
61%
3.7
m/s
W
Climate normal
+25
+20
15 September, Sunday. day, 20°; night, 11°; partly cloudy
16
+17
+10
16 September, mon
+17
+10
Feels like
+11
697 mmHg
47%
2.7
m/s
W
Climate normal
+24
+19
16 September, Monday. day, 17°; night, 10°; clear
17
+16
+5
17 September, tue
+16
+5
Feels like
+9
697 mmHg
62%
3.3
m/s
NW
Climate normal
+24
+19
17 September, Tuesday. day, 16°; night, 5°; clear
18
+19
+10
18 September, wed
+19
+10
Feels like
+12
696 mmHg
58%
3.3
m/s
E
Climate normal
+24
+19
18 September, Wednesday. day, 19°; night, 10°; clear
19
+24
+12
19 September, thu
+24
+12
Feels like
+16
691 mmHg
48%
2.4
m/s
NE
Climate normal
+24
+18
19 September, Thursday. day, 24°; night, 12°; mostly clear
20
+22
+7
20 September, fri
+22
+7
Feels like
+14
689 mmHg
49%
5.2
m/s
NW
Climate normal
+22
+18
20 September, Friday. day, 22°; night, 7°; partly cloudy
21
+10
−2
21 September, sat
+10
−2
Feels like
+1
692 mmHg
58%
3.6
m/s
N
Climate normal
+23
+18
21 September, Saturday. day, 10°; night, -2°; partly cloudy
Average for 30 days
18
sunny days
2
days with precipitation
10
cloudy days
18 sunny days; 2 days with precipitation; 10 cloudy days;
47
%
air humidity
3.7
m/s
Wind
NW
1
mm of precipitation
(1% of annual average)
air humidity 47%; 1 millimeters of precipitation (1% of annual average); Wind north-westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
SW
NW
NW
NW
NW
NW
NW
W
NW
S
E
NW
W
NW
E
W
W
NW
W
W
W
NW
E
NE
NW
N
NW
24
Average data for 10 years
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Daytime temperature
Night-time temperature
