S
M
T
W
T
F
S
29
93°
75°
30
91°
74°
31
92°
72°
1
90°
72°
2
88°
73°
3
89°
72°
4
91°
73°
5
91°
73°
6
90°
74°
7
89°
75°
8
90°
74°
9
91°
75°
10
92°
76°
11
93°
75°
12
93°
76°
13
93°
76°
14
91°
77°
15
92°
76°
16
92°
78°
17
92°
78°
18
92°
77°
19
87°
74°
20
92°
76°
21
90°
76°
22
89°
76°
23
89°
75°
24
89°
76°
25
90°
75°
26
92°
74°
27
94°
74°
28
93°
75°
29
93°
76°
30
94°
77°
1
92°
77°
2
93°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Agustinillo
San Agustinillo's April 2026 forecast shows daily high temperatures ranging from 89° to 94°, with overnight lows between 74° and 77°. The average high for April is 92° with an average low of 76°. 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 Agustinillo. See also: May | June | July.