S
M
T
W
T
F
S
26
79°
55°
27
82°
49°
28
75°
54°
29
74°
54°
30
68°
46°
1
70°
41°
2
61°
39°
3
65°
32°
4
77°
35°
5
79°
43°
6
73°
59°
7
63°
45°
8
72°
42°
9
76°
43°
10
81°
44°
11
67°
42°
12
76°
38°
13
76°
47°
14
62°
38°
15
76°
32°
16
85°
44°
17
90°
53°
18
93°
56°
19
90°
58°
20
91°
58°
21
76°
64°
22
81°
60°
23
78°
61°
24
81°
63°
25
79°
66°
26
80°
65°
27
82°
60°
28
80°
60°
29
84°
57°
30
78°
53°
31
78°
56°
1
79°
60°
2
81°
61°
3
80°
60°
4
84°
64°
5
78°
62°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tri-Cities Regional TN/VA Airport
Tri-Cities Regional TN/VA Airport's May 2026 forecast shows daily high temperatures ranging from 78° to 84°, with overnight lows between 53° and 66°. The average high for May is 80° 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 Tri-Cities Regional TN/VA Airport. See also: June | July | August.
