S
M
T
W
T
F
S
26
95°
70°
27
88°
75°
28
90°
72°
29
88°
72°
30
82°
70°
31
72°
61°
1
79°
63°
2
82°
59°
3
84°
63°
4
70°
54°
5
77°
50°
6
81°
59°
7
73°
57°
8
81°
54°
9
82°
64°
10
81°
63°
11
82°
66°
12
82°
68°
13
77°
64°
14
75°
63°
15
81°
64°
16
77°
57°
17
84°
55°
18
81°
57°
19
77°
55°
20
82°
61°
21
77°
63°
22
79°
54°
23
79°
50°
24
81°
61°
25
87°
60°
26
78°
54°
27
78°
55°
28
82°
65°
29
84°
65°
30
84°
63°
31
85°
61°
1
75°
57°
2
78°
60°
3
79°
58°
4
77°
61°
5
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Walnut Grove
Walnut Grove's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 54° and 65°. The average high for August is 80° with an average low of 60°. 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 Walnut Grove. See also: September | October | November.
