S
M
T
W
T
F
S
26
73°
51°
27
65°
56°
28
62°
53°
29
62°
45°
30
61°
38°
1
54°
41°
2
54°
36°
3
63°
35°
4
75°
50°
5
62°
45°
6
58°
43°
7
62°
35°
8
64°
48°
9
73°
51°
10
68°
50°
11
71°
40°
12
78°
41°
13
67°
48°
14
66°
38°
15
71°
45°
16
72°
63°
17
82°
62°
18
81°
62°
19
84°
62°
20
69°
55°
21
66°
53°
22
67°
54°
23
72°
57°
24
75°
56°
25
79°
51°
26
79°
63°
27
80°
59°
28
82°
56°
29
78°
56°
30
78°
53°
31
77°
50°
1
79°
53°
2
81°
51°
3
77°
53°
4
77°
54°
5
83°
60°
6
85°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marshall
Marshall's May 2026 forecast shows daily high temperatures ranging from 77° to 85°, with overnight lows between 50° and 63°. The average high for May is 80° with an average low of 56°. 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 Marshall. See also: June | July | August.