S
M
T
W
T
F
S
26
78°
50°
27
84°
49°
28
84°
47°
29
85°
48°
30
83°
46°
31
85°
48°
1
81°
47°
2
78°
45°
3
79°
44°
4
78°
45°
5
79°
46°
6
78°
47°
7
77°
44°
8
78°
43°
9
78°
46°
10
82°
48°
11
82°
48°
12
81°
43°
13
76°
44°
14
76°
43°
15
74°
40°
16
74°
39°
17
75°
42°
18
78°
43°
19
81°
44°
20
82°
46°
21
82°
47°
22
80°
46°
23
81°
45°
24
78°
46°
25
74°
45°
26
76°
45°
27
77°
43°
28
73°
37°
29
72°
37°
30
72°
35°
31
73°
36°
1
73°
36°
2
76°
40°
3
76°
37°
4
78°
41°
5
79°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grover
Grover's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 35° and 50°. The average high for August is 78° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Grover. See also: September | October | November.