S
M
T
W
T
F
S
26
80°
59°
27
83°
55°
28
73°
58°
29
78°
60°
30
70°
50°
1
73°
46°
2
68°
49°
3
69°
39°
4
81°
44°
5
79°
50°
6
71°
60°
7
69°
47°
8
74°
41°
9
79°
51°
10
85°
49°
11
74°
51°
12
79°
46°
13
81°
54°
14
72°
48°
15
78°
42°
16
85°
57°
17
91°
60°
18
90°
63°
19
89°
64°
20
84°
66°
21
78°
63°
22
78°
65°
23
79°
60°
24
78°
60°
25
79°
62°
26
78°
61°
27
81°
61°
28
80°
60°
29
79°
59°
30
79°
58°
31
80°
55°
1
82°
59°
2
82°
60°
3
80°
59°
4
76°
58°
5
76°
54°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Heiskell
Heiskell's May 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 54° and 66°. The average high for May is 80° with an average low of 60°. 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 Heiskell. See also: June | July | August.
