S
M
T
W
T
F
S
29
87°
49°
30
87°
54°
31
86°
53°
1
83°
53°
2
84°
54°
3
87°
54°
4
90°
50°
5
78°
52°
6
78°
48°
7
85°
50°
8
82°
49°
9
80°
49°
10
74°
49°
11
75°
46°
12
75°
49°
13
80°
51°
14
76°
50°
15
81°
51°
16
79°
52°
17
77°
52°
18
78°
51°
19
77°
49°
20
76°
50°
21
78°
49°
22
75°
53°
23
72°
50°
24
72°
50°
25
73°
48°
26
72°
52°
27
71°
49°
28
70°
49°
29
73°
51°
30
73°
53°
1
77°
52°
2
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Santiago
Santiago's April 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 46° and 53°. The average high for April is 75° with an average low of 50°. 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 Santiago. See also: May | June | July.
