S
M
T
W
T
F
S
26
54°
46°
27
66°
44°
28
69°
48°
29
75°
51°
30
81°
55°
1
79°
59°
2
74°
62°
3
61°
53°
4
55°
50°
5
59°
48°
6
70°
55°
7
77°
57°
8
80°
58°
9
85°
60°
10
85°
64°
11
89°
63°
12
86°
68°
13
78°
55°
14
81°
58°
15
83°
58°
16
76°
59°
17
71°
54°
18
77°
56°
19
82°
57°
20
85°
62°
21
86°
65°
22
85°
66°
23
79°
58°
24
82°
61°
25
74°
57°
26
62°
48°
27
53°
40°
28
62°
44°
29
63°
42°
30
71°
43°
31
78°
46°
1
81°
51°
2
86°
53°
3
87°
52°
4
88°
50°
5
86°
47°
6
80°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Twain
Twain's May 2026 forecast shows daily high temperatures ranging from 53° to 88°, with overnight lows between 40° and 53°. The average high for May is 76° with an average low of 47°. 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 Twain. See also: June | July | August.