S
M
T
W
T
F
S
26
80°
50°
27
82°
59°
28
68°
55°
29
64°
48°
30
66°
39°
1
64°
42°
2
61°
38°
3
73°
53°
4
79°
57°
5
65°
45°
6
61°
39°
7
61°
41°
8
68°
49°
9
70°
47°
10
71°
51°
11
73°
54°
12
74°
52°
13
70°
52°
14
76°
51°
15
73°
56°
16
72°
55°
17
76°
57°
18
78°
57°
19
77°
58°
20
78°
58°
21
79°
57°
22
77°
57°
23
74°
53°
24
73°
55°
25
78°
59°
26
76°
57°
27
73°
53°
28
74°
54°
29
74°
52°
30
75°
59°
31
82°
60°
1
77°
60°
2
83°
61°
3
83°
60°
4
76°
54°
5
75°
53°
6
75°
54°
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 61° to 83°, with overnight lows between 38° and 61°. The average high for May is 74° with an average low of 53°. 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.