S
M
T
W
T
F
S
29
89°
59°
30
76°
54°
31
70°
59°
1
71°
58°
2
69°
57°
3
81°
53°
4
87°
56°
5
86°
57°
6
79°
59°
7
79°
54°
8
80°
56°
9
76°
57°
10
74°
60°
11
71°
56°
12
67°
53°
13
65°
52°
14
71°
49°
15
75°
52°
16
73°
54°
17
78°
51°
18
82°
54°
19
80°
57°
20
75°
54°
21
70°
52°
22
72°
49°
23
76°
55°
24
71°
57°
25
63°
53°
26
66°
54°
27
70°
53°
28
74°
52°
29
75°
55°
30
80°
57°
1
76°
55°
2
78°
56°
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 63° to 80°, with overnight lows between 49° and 57°. The average high for April is 73° with an average low of 54°. 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.
