S
M
T
W
T
F
S
26
79°
56°
27
80°
56°
28
61°
50°
29
60°
45°
30
66°
41°
1
64°
38°
2
63°
41°
3
79°
44°
4
80°
59°
5
71°
44°
6
59°
41°
7
67°
41°
8
68°
53°
9
81°
53°
10
67°
50°
11
77°
46°
12
79°
56°
13
78°
54°
14
77°
48°
15
82°
64°
16
86°
64°
17
85°
67°
18
76°
63°
19
62°
51°
20
65°
53°
21
63°
55°
22
65°
54°
23
74°
58°
24
78°
60°
25
75°
59°
26
79°
62°
27
78°
61°
28
80°
62°
29
78°
61°
30
81°
60°
31
80°
61°
1
86°
59°
2
83°
64°
3
76°
60°
4
78°
59°
5
83°
65°
6
83°
66°
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 62° to 86°, with overnight lows between 51° and 66°. The average high for May is 76° with an average low of 59°. 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.