S
M
T
W
T
F
S
26
60°
31°
27
59°
29°
28
59°
30°
29
54°
28°
30
54°
26°
1
53°
36°
2
58°
32°
3
56°
35°
4
59°
39°
5
50°
34°
6
46°
32°
7
47°
33°
8
49°
32°
9
54°
36°
10
58°
38°
11
59°
39°
12
60°
36°
13
59°
36°
14
59°
36°
15
60°
38°
16
63°
37°
17
58°
35°
18
58°
35°
19
59°
38°
20
57°
36°
21
58°
35°
22
59°
35°
23
60°
36°
24
61°
42°
25
61°
41°
26
62°
41°
27
62°
45°
28
63°
41°
29
62°
42°
30
63°
42°
31
62°
41°
1
62°
40°
2
63°
46°
3
63°
45°
4
64°
44°
5
63°
45°
6
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Graehl
Graehl's May 2026 forecast shows daily high temperatures ranging from 46° to 65°, with overnight lows between 32° and 46°. The average high for May is 59° with an average low of 39°. 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 Graehl. See also: June | July | August.