S
M
T
W
T
F
S
26
48°
32°
27
47°
27°
28
54°
29°
29
57°
24°
30
57°
30°
1
63°
28°
2
75°
27°
3
71°
37°
4
60°
33°
5
44°
28°
6
56°
21°
7
66°
36°
8
70°
41°
9
63°
40°
10
71°
34°
11
87°
39°
12
75°
39°
13
92°
42°
14
80°
42°
15
81°
35°
16
76°
33°
17
59°
40°
18
43°
32°
19
55°
27°
20
66°
28°
21
59°
36°
22
61°
36°
23
74°
35°
24
82°
41°
25
84°
44°
26
83°
48°
27
75°
52°
28
79°
47°
29
82°
50°
30
74°
48°
31
75°
46°
1
75°
47°
2
78°
48°
3
77°
49°
4
80°
50°
5
81°
53°
6
89°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenrock
Glenrock's May 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 46° and 57°. The average high for May is 79° with an average low of 50°. 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 Glenrock. See also: June | July | August.