S
M
T
W
T
F
S
26
82°
63°
27
90°
72°
28
86°
61°
29
72°
59°
30
66°
52°
1
70°
44°
2
74°
45°
3
82°
61°
4
82°
66°
5
77°
55°
6
66°
49°
7
73°
50°
8
76°
55°
9
77°
56°
10
78°
58°
11
81°
60°
12
79°
56°
13
77°
57°
14
79°
58°
15
80°
63°
16
81°
62°
17
82°
64°
18
82°
64°
19
81°
65°
20
82°
65°
21
78°
64°
22
76°
62°
23
76°
61°
24
81°
66°
25
81°
65°
26
77°
58°
27
76°
59°
28
79°
64°
29
80°
66°
30
85°
67°
31
86°
67°
1
86°
68°
2
85°
68°
3
86°
69°
4
85°
67°
5
80°
64°
6
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Heavener
Heavener's May 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 44° and 69°. The average high for May is 79° with an average low of 61°. 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 Heavener. See also: June | July | August.
