S
M
T
W
T
F
S
26
77°
52°
27
81°
50°
28
73°
58°
29
66°
51°
30
61°
42°
1
63°
36°
2
56°
36°
3
63°
32°
4
77°
59°
5
74°
60°
6
65°
49°
7
59°
40°
8
67°
49°
9
71°
56°
10
75°
58°
11
67°
50°
12
69°
54°
13
71°
56°
14
70°
52°
15
69°
53°
16
73°
58°
17
76°
57°
18
79°
63°
19
78°
62°
20
81°
61°
21
77°
56°
22
73°
53°
23
71°
53°
24
72°
55°
25
73°
58°
26
73°
55°
27
72°
55°
28
73°
56°
29
74°
56°
30
75°
60°
31
79°
64°
1
75°
62°
2
76°
60°
3
77°
60°
4
77°
62°
5
80°
64°
6
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Boone
Boone's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 40° and 66°. The average high for May is 74° with an average low of 57°. 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 Boone. See also: June | July | August.