S
M
T
W
T
F
S
26
79°
47°
27
73°
55°
28
64°
50°
29
59°
43°
30
62°
36°
1
60°
38°
2
60°
41°
3
70°
43°
4
80°
50°
5
59°
46°
6
58°
39°
7
65°
38°
8
64°
51°
9
80°
50°
10
67°
46°
11
72°
46°
12
81°
51°
13
71°
52°
14
75°
45°
15
82°
54°
16
81°
65°
17
85°
66°
18
76°
64°
19
N/A
20
67°
45°
21
70°
51°
22
60°
52°
23
72°
56°
24
78°
56°
25
80°
58°
26
83°
62°
27
81°
60°
28
81°
61°
29
80°
63°
30
82°
64°
31
81°
61°
1
80°
62°
2
81°
58°
3
81°
63°
4
79°
62°
5
77°
61°
6
77°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Tennessee
Tennessee's May 2026 forecast shows daily high temperatures ranging from 60° to 83°, with overnight lows between 45° and 64°. The average high for May is 77° with an average low of 59°. 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 Tennessee. See also: June | July | August.
