S
M
T
W
T
F
S
26
81°
51°
27
83°
61°
28
66°
55°
29
64°
50°
30
67°
40°
1
64°
44°
2
61°
44°
3
78°
41°
4
79°
58°
5
70°
46°
6
63°
43°
7
68°
39°
8
77°
47°
9
81°
56°
10
70°
49°
11
78°
44°
12
83°
51°
13
75°
51°
14
75°
45°
15
85°
68°
16
82°
66°
17
90°
71°
18
84°
72°
19
76°
57°
20
68°
49°
21
70°
50°
22
76°
54°
23
81°
60°
24
81°
60°
25
80°
60°
26
79°
64°
27
79°
63°
28
80°
58°
29
82°
61°
30
76°
58°
31
75°
57°
1
75°
56°
2
76°
58°
3
76°
60°
4
80°
63°
5
84°
64°
6
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Festus
Festus's May 2026 forecast shows daily high temperatures ranging from 68° to 90°, with overnight lows between 49° and 72°. The average high for May is 79° with an average low of 61°. 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 Festus. See also: June | July | August.
