S
M
T
W
T
F
S
26
51°
41°
27
67°
37°
28
65°
42°
29
65°
48°
30
N/A
1
66°
51°
2
57°
43°
3
63°
45°
4
72°
57°
5
80°
58°
6
70°
49°
7
65°
40°
8
61°
41°
9
68°
51°
10
72°
51°
11
71°
54°
12
71°
57°
13
73°
56°
14
75°
53°
15
71°
57°
16
71°
56°
17
70°
58°
18
72°
59°
19
79°
60°
20
79°
60°
21
78°
59°
22
80°
61°
23
81°
61°
24
81°
60°
25
78°
60°
26
74°
61°
27
77°
61°
28
82°
62°
29
79°
62°
30
82°
61°
31
80°
63°
1
79°
61°
2
75°
58°
3
76°
56°
4
74°
56°
5
75°
57°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Issue
Issue's May 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 40° and 63°. The average high for May is 74° with an average low of 56°. 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 Issue. See also: June | July | August.