S
M
T
W
T
F
S
26
68°
43°
27
66°
52°
28
62°
51°
29
58°
37°
30
60°
34°
1
51°
36°
2
55°
29°
3
66°
41°
4
80°
46°
5
57°
46°
6
57°
35°
7
62°
32°
8
67°
46°
9
75°
47°
10
66°
42°
11
61°
40°
12
78°
38°
13
63°
38°
14
69°
35°
15
76°
52°
16
82°
60°
17
88°
63°
18
79°
64°
19
80°
54°
20
59°
47°
21
64°
51°
22
64°
56°
23
68°
58°
24
74°
57°
25
76°
60°
26
76°
59°
27
78°
61°
28
78°
59°
29
77°
61°
30
78°
62°
31
80°
61°
1
76°
55°
2
78°
59°
3
71°
55°
4
70°
52°
5
72°
60°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Frankfort
Frankfort's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 47° and 62°. The average high for May is 73° 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 Frankfort. See also: June | July | August.