S
M
T
W
T
F
S
26
63°
46°
27
76°
45°
28
77°
54°
29
62°
49°
30
54°
44°
1
52°
38°
2
46°
32°
3
59°
46°
4
71°
57°
5
68°
50°
6
56°
44°
7
48°
37°
8
52°
40°
9
57°
45°
10
61°
46°
11
59°
45°
12
60°
45°
13
63°
49°
14
67°
51°
15
66°
48°
16
72°
52°
17
74°
54°
18
73°
52°
19
68°
51°
20
74°
52°
21
71°
50°
22
67°
45°
23
63°
44°
24
65°
45°
25
65°
47°
26
66°
47°
27
66°
46°
28
67°
46°
29
68°
47°
30
67°
47°
31
72°
55°
1
68°
52°
2
70°
48°
3
70°
56°
4
73°
56°
5
73°
55°
6
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fredericktown
Fredericktown's May 2026 forecast shows daily high temperatures ranging from 46° to 78°, with overnight lows between 32° and 58°. The average high for May is 66° with an average low of 48°. 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 Fredericktown. See also: June | July | August.