S
M
T
W
T
F
S
26
63°
54°
27
68°
51°
28
73°
50°
29
72°
54°
30
78°
54°
1
75°
55°
2
64°
55°
3
69°
55°
4
64°
54°
5
65°
52°
6
69°
56°
7
73°
54°
8
75°
53°
9
76°
57°
10
80°
56°
11
85°
56°
12
76°
55°
13
73°
58°
14
82°
59°
15
81°
60°
16
63°
47°
17
72°
56°
18
77°
49°
19
75°
49°
20
73°
47°
21
73°
50°
22
67°
49°
23
63°
49°
24
64°
50°
25
65°
49°
26
66°
48°
27
66°
49°
28
65°
49°
29
66°
48°
30
61°
45°
31
65°
48°
1
69°
51°
2
69°
52°
3
68°
52°
4
70°
53°
5
69°
52°
6
68°
52°
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 61° to 77°, with overnight lows between 45° and 56°. The average high for May is 68° with an average low of 50°. 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.