S
M
T
W
T
F
S
29
75°
37°
30
79°
55°
31
81°
63°
1
83°
63°
2
81°
67°
3
86°
64°
4
79°
57°
5
64°
46°
6
70°
41°
7
73°
41°
8
77°
45°
9
77°
50°
10
79°
46°
11
84°
50°
12
84°
52°
13
79°
63°
14
84°
61°
15
82°
59°
16
84°
63°
17
88°
57°
18
73°
48°
19
68°
45°
20
77°
39°
21
81°
45°
22
82°
46°
23
82°
50°
24
77°
62°
25
77°
56°
26
81°
60°
27
85°
68°
28
82°
64°
29
75°
54°
30
72°
53°
1
64°
45°
2
66°
43°
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 64° to 85°, with overnight lows between 43° and 68°. The average high for April is 75° with an average low of 56°. 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.
