S
M
T
W
T
F
S
26
86°
71°
27
91°
70°
28
89°
73°
29
87°
72°
30
89°
73°
31
91°
73°
1
91°
72°
2
89°
73°
3
91°
73°
4
92°
72°
5
91°
72°
6
91°
71°
7
92°
72°
8
91°
72°
9
92°
73°
10
91°
72°
11
89°
71°
12
88°
72°
13
87°
72°
14
85°
71°
15
86°
67°
16
85°
69°
17
85°
69°
18
86°
68°
19
86°
70°
20
87°
71°
21
85°
71°
22
86°
70°
23
88°
71°
24
91°
69°
25
91°
70°
26
87°
70°
27
86°
68°
28
87°
67°
29
90°
68°
30
88°
69°
31
89°
69°
1
88°
68°
2
85°
68°
3
84°
67°
4
84°
64°
5
83°
62°
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 83° to 92°, with overnight lows between 62° and 73°. The average high for August is 88° with an average low of 70°. 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.
