S
M
T
W
T
F
S
26
65°
53°
27
66°
53°
28
74°
49°
29
75°
51°
30
75°
54°
1
78°
57°
2
76°
55°
3
67°
57°
4
67°
53°
5
65°
54°
6
75°
51°
7
82°
57°
8
82°
59°
9
87°
61°
10
89°
64°
11
92°
61°
12
87°
60°
13
81°
58°
14
80°
57°
15
77°
56°
16
78°
57°
17
76°
56°
18
75°
55°
19
76°
56°
20
80°
55°
21
75°
52°
22
74°
51°
23
75°
53°
24
80°
56°
25
83°
57°
26
82°
55°
27
78°
52°
28
76°
52°
29
76°
53°
30
80°
55°
31
81°
57°
1
84°
58°
2
84°
57°
3
80°
56°
4
77°
58°
5
77°
58°
6
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glendora
Glendora's May 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 51° and 64°. The average high for May is 80° with an average low of 56°. 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 Glendora. See also: June | July | August.
