S
M
T
W
T
F
S
26
98°
78°
27
99°
79°
28
98°
78°
29
100°
79°
30
100°
79°
31
99°
78°
1
100°
79°
2
100°
80°
3
99°
80°
4
101°
79°
5
101°
80°
6
100°
80°
7
100°
79°
8
99°
80°
9
99°
80°
10
98°
77°
11
98°
77°
12
97°
75°
13
96°
76°
14
98°
77°
15
97°
76°
16
98°
77°
17
98°
75°
18
97°
70°
19
96°
69°
20
89°
69°
21
90°
70°
22
90°
69°
23
91°
70°
24
91°
70°
25
92°
71°
26
94°
70°
27
94°
73°
28
95°
70°
29
90°
73°
30
95°
73°
31
95°
70°
1
94°
73°
2
95°
74°
3
93°
72°
4
87°
73°
5
92°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lone Grove
Lone Grove's August 2026 forecast shows daily high temperatures ranging from 87° to 101°, with overnight lows between 69° and 80°. The average high for August is 96° with an average low of 75°. 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 Lone Grove. See also: September | October | November.