S
M
T
W
T
F
S
29
80°
35°
30
79°
47°
31
74°
47°
1
62°
41°
2
73°
36°
3
63°
42°
4
64°
31°
5
68°
33°
6
67°
38°
7
69°
34°
8
77°
33°
9
73°
39°
10
69°
43°
11
64°
37°
12
64°
41°
13
60°
35°
14
59°
30°
15
66°
35°
16
75°
41°
17
79°
40°
18
76°
42°
19
75°
40°
20
73°
40°
21
73°
41°
22
69°
34°
23
64°
36°
24
62°
33°
25
63°
38°
26
66°
40°
27
68°
40°
28
64°
38°
29
63°
32°
30
64°
33°
1
65°
33°
2
64°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Luis
San Luis's April 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 30° and 43°. The average high for April is 67° with an average low of 37°. 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 San Luis. See also: May | June | July.
