S
M
T
W
T
F
S
29
63°
42°
30
83°
40°
31
71°
44°
1
47°
37°
2
72°
38°
3
66°
48°
4
52°
34°
5
52°
34°
6
51°
26°
7
47°
39°
8
67°
48°
9
57°
42°
10
63°
47°
11
60°
48°
12
61°
46°
13
66°
45°
14
63°
39°
15
60°
42°
16
59°
39°
17
55°
44°
18
65°
45°
19
67°
48°
20
69°
49°
21
69°
50°
22
68°
50°
23
70°
49°
24
70°
50°
25
69°
44°
26
58°
37°
27
55°
37°
28
59°
44°
29
58°
40°
30
60°
42°
1
64°
48°
2
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Walnut
Walnut's April 2026 forecast shows daily high temperatures ranging from 47° to 70°, with overnight lows between 26° and 50°. The average high for April is 62° with an average low of 43°. 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 Walnut. See also: May | June | July.
