S
M
T
W
T
F
S
26
80°
52°
27
80°
62°
28
62°
55°
29
64°
48°
30
66°
42°
1
63°
43°
2
62°
46°
3
78°
45°
4
80°
61°
5
71°
46°
6
62°
45°
7
68°
42°
8
73°
51°
9
80°
55°
10
70°
50°
11
76°
46°
12
82°
57°
13
74°
58°
14
74°
49°
15
83°
61°
16
78°
66°
17
87°
66°
18
79°
65°
19
76°
58°
20
69°
55°
21
71°
60°
22
70°
63°
23
77°
62°
24
78°
64°
25
78°
66°
26
79°
68°
27
80°
67°
28
82°
66°
29
82°
67°
30
83°
66°
31
85°
67°
1
82°
63°
2
84°
67°
3
78°
63°
4
77°
60°
5
80°
67°
6
86°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mark Twain
Mark Twain's May 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 55° and 69°. The average high for May is 79° with an average low of 64°. 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 Mark Twain. See also: June | July | August.
