S
M
T
W
T
F
S
26
64°
52°
27
64°
49°
28
71°
51°
29
74°
53°
30
74°
55°
1
75°
56°
2
77°
57°
3
64°
54°
4
65°
52°
5
66°
53°
6
75°
55°
7
81°
58°
8
82°
57°
9
84°
58°
10
84°
65°
11
90°
63°
12
83°
62°
13
79°
60°
14
80°
59°
15
79°
59°
16
78°
58°
17
79°
58°
18
78°
60°
19
81°
58°
20
76°
54°
21
76°
55°
22
76°
54°
23
77°
55°
24
82°
58°
25
84°
60°
26
84°
58°
27
79°
55°
28
78°
55°
29
78°
56°
30
82°
58°
31
83°
61°
1
86°
62°
2
85°
61°
3
82°
59°
4
78°
61°
5
79°
62°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sierra Madre
Sierra Madre's May 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 54° and 65°. The average high for May is 81° with an average low of 59°. 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 Sierra Madre. See also: June | July | August.