S
M
T
W
T
F
S
26
83°
64°
27
85°
65°
28
84°
68°
29
88°
67°
30
81°
67°
31
88°
68°
1
87°
67°
2
88°
67°
3
83°
66°
4
83°
68°
5
86°
67°
6
87°
67°
7
87°
66°
8
83°
65°
9
82°
62°
10
82°
64°
11
83°
65°
12
82°
65°
13
83°
66°
14
84°
66°
15
87°
67°
16
88°
67°
17
88°
66°
18
87°
67°
19
87°
67°
20
86°
66°
21
88°
67°
22
88°
67°
23
87°
66°
24
87°
66°
25
84°
65°
26
86°
65°
27
86°
66°
28
82°
60°
29
87°
63°
30
88°
62°
31
85°
61°
1
85°
62°
2
88°
63°
3
86°
63°
4
86°
62°
5
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oak Grove
Oak Grove's August 2026 forecast shows daily high temperatures ranging from 81° to 88°, with overnight lows between 60° and 68°. The average high for August is 85° with an average low of 65°. 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 Oak Grove. See also: September | October | November.
