S
M
T
W
T
F
S
26
57°
38°
27
70°
34°
28
57°
45°
29
59°
53°
30
65°
40°
1
65°
33°
2
58°
42°
3
61°
37°
4
73°
34°
5
82°
61°
6
71°
53°
7
65°
42°
8
66°
51°
9
66°
50°
10
75°
49°
11
59°
40°
12
63°
44°
13
59°
49°
14
65°
48°
15
69°
54°
16
75°
52°
17
72°
54°
18
77°
57°
19
78°
57°
20
73°
52°
21
69°
49°
22
67°
49°
23
68°
50°
24
69°
48°
25
70°
51°
26
73°
54°
27
71°
52°
28
74°
52°
29
73°
50°
30
76°
56°
31
79°
59°
1
75°
59°
2
79°
56°
3
80°
60°
4
81°
61°
5
81°
60°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glen Rock
Glen Rock's May 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 40° and 61°. The average high for May is 72° with an average low of 52°. 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 Glen Rock. See also: June | July | August.