S
M
T
W
T
F
S
26
80°
54°
27
85°
56°
28
82°
56°
29
79°
59°
30
79°
57°
31
84°
58°
1
84°
59°
2
85°
60°
3
86°
59°
4
85°
58°
5
84°
58°
6
86°
62°
7
87°
62°
8
86°
61°
9
77°
57°
10
76°
57°
11
76°
54°
12
77°
55°
13
77°
56°
14
82°
60°
15
82°
59°
16
78°
56°
17
77°
53°
18
80°
53°
19
84°
54°
20
85°
57°
21
81°
56°
22
85°
60°
23
85°
56°
24
75°
59°
25
82°
56°
26
77°
50°
27
76°
52°
28
75°
54°
29
75°
51°
30
74°
51°
31
76°
57°
1
79°
59°
2
84°
58°
3
86°
58°
4
80°
51°
5
74°
51°
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 74° to 87°, with overnight lows between 50° and 62°. The average high for August is 81° with an average low of 56°. 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.
