S
M
T
W
T
F
S
27
64°
39°
28
64°
42°
29
64°
46°
30
64°
45°
1
68°
36°
2
81°
37°
3
82°
42°
4
70°
42°
5
50°
39°
6
58°
34°
7
78°
36°
8
77°
46°
9
80°
43°
10
88°
50°
11
77°
51°
12
69°
46°
13
51°
44°
14
55°
45°
15
53°
45°
16
62°
41°
17
68°
40°
18
54°
46°
19
62°
38°
20
63°
39°
21
62°
42°
22
66°
38°
23
68°
40°
24
73°
40°
25
79°
45°
26
84°
47°
27
78°
54°
28
81°
52°
29
88°
51°
30
83°
59°
31
91°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gilman
Gilman's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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.