S
M
T
W
T
F
S
29
77°
42°
30
82°
64°
31
83°
66°
1
83°
64°
2
79°
66°
3
81°
65°
4
69°
46°
5
65°
40°
6
72°
39°
7
72°
41°
8
77°
47°
9
80°
50°
10
81°
56°
11
82°
59°
12
74°
63°
13
80°
67°
14
82°
70°
15
73°
63°
16
73°
58°
17
82°
63°
18
73°
44°
19
71°
38°
20
69°
48°
21
70°
51°
22
68°
58°
23
74°
63°
24
73°
52°
25
72°
55°
26
71°
63°
27
76°
51°
28
72°
52°
29
68°
52°
30
65°
49°
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 64° to 76°, with overnight lows between 48° and 63°. The average high for April is 70° with an average low of 53°. 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.
