S
M
T
W
T
F
S
29
77°
46°
30
75°
52°
31
72°
48°
1
81°
48°
2
88°
54°
3
90°
54°
4
90°
52°
5
84°
59°
6
84°
50°
7
88°
52°
8
90°
50°
9
86°
52°
10
86°
46°
11
86°
52°
12
86°
57°
13
86°
55°
14
88°
55°
15
90°
54°
16
90°
50°
17
88°
55°
18
91°
54°
19
86°
63°
20
82°
55°
21
81°
52°
22
77°
51°
23
78°
52°
24
80°
50°
25
82°
51°
26
83°
51°
27
85°
54°
28
84°
55°
29
83°
54°
30
83°
54°
1
81°
52°
2
80°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Antonio de los Ríos
San Antonio de los Ríos's April 2026 forecast shows daily high temperatures ranging from 77° to 85°, with overnight lows between 50° and 55°. The average high for April is 81° with an average low of 52°. 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 Antonio de los Ríos. See also: May | June | July.