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
77°
46°
10
63°
49°
11
75°
52°
12
76°
45°
13
80°
48°
14
65°
49°
15
83°
49°
16
74°
53°
17
73°
53°
18
71°
54°
19
69°
50°
20
66°
46°
21
74°
47°
22
73°
48°
23
76°
49°
24
77°
48°
25
75°
45°
26
74°
48°
27
76°
47°
28
70°
46°
29
71°
46°
30
68°
46°
1
68°
47°
2
69°
46°
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 66° to 83°, with overnight lows between 45° and 54°. The average high for April is 73° with an average low of 48°. 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.
