S
M
T
W
T
F
S
26
79°
57°
27
82°
59°
28
85°
64°
29
88°
58°
30
83°
56°
31
85°
58°
1
83°
56°
2
78°
57°
3
79°
56°
4
79°
56°
5
80°
57°
6
79°
56°
7
79°
60°
8
81°
62°
9
78°
56°
10
81°
62°
11
86°
63°
12
84°
63°
13
83°
55°
14
78°
54°
15
75°
54°
16
77°
59°
17
76°
56°
18
79°
55°
19
78°
61°
20
79°
63°
21
85°
63°
22
85°
61°
23
86°
62°
24
85°
53°
25
84°
52°
26
76°
57°
27
75°
61°
28
80°
61°
29
83°
60°
30
84°
59°
31
84°
54°
1
83°
53°
2
80°
57°
3
79°
50°
4
75°
50°
5
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Garretson
Garretson's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 50° and 64°. The average high for August is 81° 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 Garretson. See also: September | October | November.