S
M
T
W
T
F
S
26
99°
66°
27
93°
55°
28
97°
59°
29
99°
63°
30
84°
63°
31
93°
50°
1
101°
69°
2
92°
57°
3
72°
44°
4
73°
47°
5
81°
53°
6
88°
54°
7
89°
54°
8
88°
55°
9
84°
57°
10
82°
54°
11
82°
56°
12
83°
57°
13
82°
57°
14
84°
54°
15
89°
61°
16
85°
60°
17
75°
59°
18
82°
58°
19
85°
60°
20
86°
61°
21
87°
60°
22
85°
59°
23
85°
59°
24
86°
57°
25
74°
56°
26
74°
57°
27
78°
57°
28
85°
59°
29
87°
59°
30
85°
58°
31
83°
57°
1
82°
58°
2
85°
57°
3
81°
56°
4
73°
55°
5
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grassy Butte
Grassy Butte's August 2026 forecast shows daily high temperatures ranging from 72° to 101°, with overnight lows between 44° and 69°. The average high for August is 83° with an average low of 57°. 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 Grassy Butte. See also: September | October | November.
