S
M
T
W
T
F
S
26
70°
42°
27
61°
42°
28
53°
37°
29
58°
40°
30
54°
38°
1
54°
33°
2
67°
29°
3
73°
48°
4
68°
37°
5
54°
30°
6
54°
28°
7
64°
30°
8
77°
38°
9
65°
39°
10
69°
34°
11
75°
30°
12
78°
52°
13
76°
50°
14
76°
52°
15
88°
53°
16
84°
57°
17
72°
62°
18
71°
45°
19
60°
44°
20
69°
47°
21
66°
46°
22
71°
49°
23
72°
50°
24
77°
53°
25
78°
57°
26
85°
61°
27
71°
52°
28
67°
51°
29
66°
50°
30
68°
50°
31
70°
51°
1
69°
48°
2
70°
55°
3
71°
59°
4
79°
61°
5
80°
61°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gruver
Gruver's May 2026 forecast shows daily high temperatures ranging from 60° to 88°, with overnight lows between 44° and 62°. The average high for May is 73° with an average low of 53°. 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 Gruver. See also: June | July | August.