S
M
T
W
T
F
S
26
63°
39°
27
61°
41°
28
70°
39°
29
77°
39°
30
81°
39°
1
81°
45°
2
77°
50°
3
77°
48°
4
68°
55°
5
79°
52°
6
84°
54°
7
86°
46°
8
82°
45°
9
90°
45°
10
88°
48°
11
91°
48°
12
88°
52°
13
69°
47°
14
79°
43°
15
75°
41°
16
68°
41°
17
66°
38°
18
72°
43°
19
76°
48°
20
80°
51°
21
82°
54°
22
81°
44°
23
79°
45°
24
77°
44°
25
78°
41°
26
73°
40°
27
75°
43°
28
76°
42°
29
79°
45°
30
78°
44°
31
76°
46°
1
81°
48°
2
82°
49°
3
83°
49°
4
83°
48°
5
82°
49°
6
84°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Denny
Denny's May 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 38° and 54°. The average high for May is 78° with an average low of 46°. 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 Denny. See also: June | July | August.