S
M
T
W
T
F
S
26
72°
37°
27
74°
36°
28
77°
49°
29
79°
51°
30
77°
47°
1
62°
48°
2
82°
39°
3
79°
45°
4
74°
44°
5
75°
49°
6
67°
44°
7
63°
47°
8
67°
37°
9
72°
36°
10
85°
33°
11
84°
38°
12
62°
44°
13
66°
39°
14
76°
48°
15
68°
47°
16
67°
41°
17
74°
33°
18
74°
37°
19
76°
36°
20
72°
39°
21
65°
32°
22
73°
36°
23
68°
39°
24
63°
37°
25
65°
38°
26
62°
37°
27
57°
36°
28
59°
35°
29
63°
34°
30
62°
36°
31
63°
43°
1
56°
37°
2
55°
36°
3
55°
36°
4
57°
38°
5
62°
42°
6
63°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rancagua
Rancagua's May 2026 forecast shows daily high temperatures ranging from 55° to 76°, with overnight lows between 32° and 43°. The average high for May is 64° with an average low of 37°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Rancagua. See also: June | July | August.
