S
M
T
W
T
F
S
29
75°
55°
30
72°
52°
31
75°
50°
1
75°
54°
2
75°
54°
3
73°
52°
4
79°
54°
5
75°
54°
6
75°
50°
7
75°
55°
8
75°
55°
9
75°
54°
10
75°
50°
11
65°
50°
12
65°
53°
13
65°
51°
14
66°
52°
15
66°
53°
16
65°
53°
17
66°
51°
18
65°
45°
19
66°
46°
20
67°
45°
21
67°
49°
22
66°
46°
23
68°
45°
24
61°
42°
25
61°
42°
26
62°
42°
27
61°
41°
28
60°
41°
29
60°
42°
30
61°
41°
1
60°
40°
2
60°
41°
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 60° to 68°, with overnight lows between 40° and 53°. The average high for April is 64° with an average low of 46°. 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.
