S
M
T
W
T
F
S
26
77°
58°
27
71°
51°
28
66°
49°
29
80°
59°
30
75°
56°
1
66°
51°
2
63°
46°
3
69°
36°
4
78°
38°
5
81°
58°
6
75°
63°
7
74°
48°
8
71°
51°
9
81°
56°
10
76°
54°
11
74°
40°
12
67°
43°
13
73°
49°
14
79°
58°
15
80°
56°
16
80°
59°
17
82°
60°
18
77°
54°
19
78°
57°
20
81°
58°
21
80°
56°
22
77°
51°
23
73°
50°
24
74°
52°
25
75°
55°
26
77°
53°
27
74°
52°
28
75°
53°
29
76°
55°
30
76°
56°
31
77°
58°
1
79°
61°
2
78°
60°
3
77°
61°
4
78°
60°
5
80°
62°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grover
Grover's May 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 40° and 63°. The average high for May is 77° with an average low of 55°. 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 Grover. See also: June | July | August.