S
M
T
W
T
F
S
29
54°
45°
30
52°
33°
31
49°
34°
1
59°
40°
2
53°
40°
3
61°
40°
4
70°
38°
5
73°
44°
6
74°
45°
7
70°
48°
8
65°
38°
9
72°
37°
10
60°
43°
11
67°
45°
12
60°
49°
13
61°
43°
14
55°
42°
15
51°
34°
16
52°
38°
17
57°
38°
18
62°
47°
19
65°
46°
20
60°
44°
21
61°
44°
22
60°
44°
23
62°
43°
24
53°
46°
25
58°
39°
26
59°
40°
27
60°
39°
28
64°
44°
29
66°
46°
30
69°
50°
1
62°
50°
2
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Walla Walla
Walla Walla's April 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 34° and 50°. The average high for April is 60° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Walla Walla. See also: May | June | July.
