S
M
T
W
T
F
S
26
65°
45°
27
64°
44°
28
65°
44°
29
66°
46°
30
69°
48°
1
67°
49°
2
66°
53°
3
76°
52°
4
69°
45°
5
65°
43°
6
65°
43°
7
67°
45°
8
69°
47°
9
69°
46°
10
67°
45°
11
67°
45°
12
69°
55°
13
78°
57°
14
79°
57°
15
79°
56°
16
76°
54°
17
73°
57°
18
80°
58°
19
81°
59°
20
81°
58°
21
78°
54°
22
73°
51°
23
73°
53°
24
74°
52°
25
80°
57°
26
83°
58°
27
82°
59°
28
81°
58°
29
84°
60°
30
86°
56°
31
82°
54°
1
83°
53°
2
78°
53°
3
77°
52°
4
76°
53°
5
78°
55°
6
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Campbellsville
Campbellsville's May 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 43° and 62°. The average high for May is 74° 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 Campbellsville. See also: June | July | August.