S
M
T
W
T
F
S
26
90°
60°
27
90°
57°
28
92°
57°
29
93°
62°
30
94°
61°
31
97°
59°
1
98°
61°
2
104°
64°
3
105°
64°
4
97°
64°
5
94°
59°
6
94°
59°
7
95°
62°
8
96°
63°
9
99°
63°
10
94°
62°
11
91°
59°
12
89°
58°
13
82°
58°
14
82°
57°
15
85°
56°
16
93°
58°
17
86°
58°
18
90°
59°
19
95°
59°
20
95°
60°
21
92°
57°
22
91°
58°
23
94°
57°
24
95°
58°
25
95°
56°
26
93°
56°
27
93°
57°
28
91°
56°
29
90°
59°
30
86°
55°
31
86°
59°
1
85°
58°
2
86°
59°
3
91°
60°
4
92°
60°
5
89°
59°
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 85° to 95°, with overnight lows between 55° and 60°. The average high for August is 91° with an average low of 58°. 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.
