S
M
T
W
T
F
S
26
67°
46°
27
64°
42°
28
66°
42°
29
69°
46°
30
66°
42°
1
47°
36°
2
61°
34°
3
67°
42°
4
67°
50°
5
58°
40°
6
60°
38°
7
68°
35°
8
76°
48°
9
79°
57°
10
74°
48°
11
77°
44°
12
84°
56°
13
83°
63°
14
79°
61°
15
80°
55°
16
78°
57°
17
73°
54°
18
71°
51°
19
71°
50°
20
70°
49°
21
74°
48°
22
75°
53°
23
75°
51°
24
78°
55°
25
75°
48°
26
60°
46°
27
73°
47°
28
75°
54°
29
74°
56°
30
72°
47°
31
80°
49°
1
87°
54°
2
83°
50°
3
74°
50°
4
78°
51°
5
83°
51°
6
86°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gilman
Gilman's May 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 49° and 54°. The average high for May is 82° with an average low of 51°. 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 Gilman. See also: June | July | August.
