S
M
T
W
T
F
S
29
63°
36°
30
82°
53°
31
80°
47°
1
47°
41°
2
71°
44°
3
78°
50°
4
57°
37°
5
56°
39°
6
55°
25°
7
47°
36°
8
68°
52°
9
70°
53°
10
73°
54°
11
67°
53°
12
68°
55°
13
67°
51°
14
66°
44°
15
68°
46°
16
66°
46°
17
63°
40°
18
67°
47°
19
69°
46°
20
69°
46°
21
68°
49°
22
67°
47°
23
70°
46°
24
70°
42°
25
63°
47°
26
60°
47°
27
64°
45°
28
71°
44°
29
61°
41°
30
64°
45°
1
68°
47°
2
62°
42°
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 73°, with overnight lows between 25° and 55°. The average high for April is 65° with an average low of 45°. 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.
