S
M
T
W
T
F
S
26
65°
53°
27
66°
53°
28
74°
49°
29
75°
51°
30
75°
54°
1
81°
57°
2
83°
57°
3
73°
54°
4
69°
50°
5
67°
55°
6
76°
56°
7
80°
59°
8
77°
56°
9
73°
55°
10
77°
57°
11
80°
58°
12
83°
59°
13
84°
58°
14
79°
55°
15
73°
50°
16
74°
51°
17
74°
52°
18
75°
51°
19
75°
52°
20
76°
52°
21
82°
56°
22
83°
58°
23
83°
58°
24
82°
57°
25
83°
58°
26
83°
58°
27
82°
56°
28
81°
55°
29
81°
53°
30
76°
52°
31
76°
52°
1
77°
53°
2
79°
54°
3
82°
56°
4
84°
57°
5
82°
58°
6
81°
58°
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 67° to 84°, with overnight lows between 50° and 59°. The average high for May is 79° with an average low of 55°. 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.
