S
M
T
W
T
F
S
26
46°
32°
27
45°
28°
28
37°
25°
29
45°
21°
30
41°
21°
1
46°
16°
2
60°
35°
3
58°
38°
4
59°
30°
5
34°
25°
6
41°
35°
7
57°
36°
8
61°
39°
9
59°
38°
10
58°
36°
11
62°
40°
12
68°
42°
13
66°
42°
14
66°
41°
15
61°
34°
16
64°
39°
17
61°
37°
18
65°
40°
19
59°
32°
20
62°
35°
21
59°
32°
22
63°
40°
23
67°
40°
24
58°
37°
25
57°
33°
26
59°
36°
27
62°
41°
28
59°
39°
29
60°
42°
30
61°
40°
31
60°
41°
1
62°
38°
2
65°
40°
3
67°
40°
4
66°
41°
5
64°
41°
6
67°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glen Haven
Glen Haven's May 2026 forecast shows daily high temperatures ranging from 34° to 68°, with overnight lows between 25° and 42°. The average high for May is 60° with an average low of 38°. 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 Haven. See also: June | July | August.