S
M
T
W
T
F
S
29
74°
47°
30
72°
50°
31
70°
62°
1
72°
51°
2
69°
51°
3
72°
47°
4
82°
44°
5
76°
44°
6
77°
54°
7
71°
53°
8
74°
54°
9
74°
59°
10
72°
57°
11
71°
55°
12
68°
51°
13
67°
50°
14
68°
52°
15
69°
55°
16
71°
56°
17
70°
55°
18
68°
56°
19
69°
55°
20
71°
56°
21
61°
40°
22
64°
48°
23
65°
46°
24
65°
46°
25
64°
45°
26
64°
47°
27
65°
46°
28
63°
46°
29
64°
47°
30
64°
46°
1
65°
46°
2
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Carlsbad
Carlsbad's April 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 40° and 59°. The average high for April is 67° with an average low of 51°. 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 Carlsbad. See also: May | June | July.