S
M
T
W
T
F
S
29
90°
70°
30
89°
67°
31
88°
69°
1
78°
64°
2
82°
57°
3
81°
54°
4
85°
55°
5
91°
63°
6
83°
68°
7
85°
55°
8
90°
64°
9
91°
64°
10
89°
63°
11
86°
57°
12
80°
57°
13
78°
52°
14
78°
50°
15
85°
57°
16
87°
58°
17
82°
50°
18
85°
59°
19
92°
61°
20
91°
60°
21
87°
56°
22
85°
57°
23
84°
55°
24
88°
56°
25
81°
52°
26
83°
53°
27
87°
57°
28
90°
60°
29
92°
64°
30
85°
62°
1
87°
58°
2
83°
54°
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 78° to 92°, with overnight lows between 50° and 64°. The average high for April is 85° with an average low of 57°. 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.
