S
M
T
W
T
F
S
26
70°
48°
27
82°
41°
28
72°
50°
29
66°
50°
30
54°
37°
1
64°
34°
2
52°
34°
3
59°
30°
4
72°
46°
5
77°
59°
6
63°
48°
7
63°
43°
8
68°
34°
9
70°
52°
10
72°
52°
11
68°
43°
12
73°
37°
13
72°
48°
14
50°
41°
15
70°
37°
16
77°
46°
17
88°
59°
18
93°
64°
19
N/A
20
80°
53°
21
66°
60°
22
68°
60°
23
75°
65°
24
79°
63°
25
76°
61°
26
78°
58°
27
77°
60°
28
81°
63°
29
78°
58°
30
80°
60°
31
83°
62°
1
80°
55°
2
78°
60°
3
79°
59°
4
74°
57°
5
74°
55°
6
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Gilmer
Gilmer's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 53° and 65°. The average high for May is 77° 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 Gilmer. See also: June | July | August.
