S
M
T
W
T
F
S
29
67°
39°
30
78°
58°
31
79°
61°
1
62°
45°
2
75°
50°
3
77°
63°
4
72°
41°
5
55°
38°
6
58°
42°
7
49°
35°
8
71°
39°
9
76°
54°
10
71°
44°
11
68°
40°
12
78°
59°
13
79°
67°
14
82°
69°
15
79°
62°
16
78°
55°
17
81°
53°
18
61°
40°
19
55°
40°
20
65°
49°
21
71°
54°
22
73°
56°
23
72°
55°
24
72°
50°
25
67°
48°
26
61°
46°
27
65°
48°
28
70°
47°
29
63°
48°
30
64°
51°
1
66°
47°
2
65°
47°
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 55° to 81°, with overnight lows between 40° and 62°. The average high for April is 68° with an average low of 50°. 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.
