S
M
T
W
T
F
S
26
78°
50°
27
81°
56°
28
74°
59°
29
73°
48°
30
65°
41°
1
60°
40°
2
59°
36°
3
65°
40°
4
67°
47°
5
69°
47°
6
66°
46°
7
71°
48°
8
70°
47°
9
73°
48°
10
69°
45°
11
69°
46°
12
76°
53°
13
72°
51°
14
69°
47°
15
68°
47°
16
68°
45°
17
70°
45°
18
71°
46°
19
74°
55°
20
76°
55°
21
76°
54°
22
77°
54°
23
76°
53°
24
80°
57°
25
80°
56°
26
75°
52°
27
74°
50°
28
75°
50°
29
76°
52°
30
78°
55°
31
82°
56°
1
83°
58°
2
83°
59°
3
82°
60°
4
82°
60°
5
77°
59°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middlesboro
Middlesboro's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 36° and 60°. The average high for May is 74° with an average low of 51°. 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 Middlesboro. See also: June | July | August.