S
M
T
W
T
F
S
31
64°
46°
1
64°
46°
2
61°
38°
3
61°
38°
4
60°
39°
5
61°
40°
6
62°
41°
7
62°
43°
8
63°
42°
9
63°
41°
10
61°
40°
11
61°
41°
12
62°
42°
13
63°
43°
14
63°
42°
15
61°
40°
16
61°
39°
17
62°
41°
18
62°
42°
19
63°
41°
20
60°
40°
21
61°
43°
22
64°
44°
23
66°
46°
24
67°
47°
25
68°
45°
26
67°
46°
27
64°
45°
28
65°
47°
29
67°
44°
30
67°
46°
1
60°
44°
2
61°
45°
3
60°
44°
4
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Santiago
Santiago's June 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 38° and 47°. The average high for June is 63° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Santiago. See also: July | August | September.