S
M
T
W
T
F
S
26
55°
35°
27
59°
34°
28
62°
39°
29
66°
37°
30
71°
37°
1
75°
37°
2
78°
45°
3
77°
42°
4
76°
47°
5
72°
48°
6
77°
43°
7
72°
47°
8
69°
49°
9
71°
46°
10
72°
43°
11
73°
46°
12
81°
44°
13
66°
46°
14
60°
43°
15
57°
37°
16
51°
39°
17
59°
36°
18
63°
41°
19
67°
44°
20
72°
47°
21
71°
42°
22
75°
47°
23
80°
44°
24
76°
52°
25
81°
51°
26
62°
51°
27
76°
56°
28
86°
59°
29
72°
50°
30
65°
42°
31
73°
46°
1
74°
49°
2
80°
54°
3
85°
57°
4
79°
55°
5
74°
52°
6
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarksville
Clarksville's May 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 42° and 59°. The average high for May is 75° with an average low of 52°. 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 Clarksville. See also: June | July | August.