S
M
T
W
T
F
S
29
74°
37°
30
78°
55°
31
81°
59°
1
82°
62°
2
86°
61°
3
85°
63°
4
84°
63°
5
67°
49°
6
71°
42°
7
74°
41°
8
76°
47°
9
74°
49°
10
79°
50°
11
83°
54°
12
90°
63°
13
80°
63°
14
88°
64°
15
89°
67°
16
83°
60°
17
85°
63°
18
88°
63°
19
82°
64°
20
79°
63°
21
80°
62°
22
75°
53°
23
78°
60°
24
79°
60°
25
76°
59°
26
76°
57°
27
74°
58°
28
77°
59°
29
79°
61°
30
80°
61°
1
78°
60°
2
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Campbell
Campbell's April 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 49° and 67°. The average high for April is 80° with an average low of 60°. 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 Campbell. See also: May | June | July.