S
M
T
W
T
F
S
26
91°
69°
27
88°
62°
28
88°
63°
29
90°
68°
30
93°
66°
31
94°
67°
1
92°
66°
2
90°
63°
3
88°
63°
4
87°
62°
5
88°
62°
6
88°
63°
7
89°
63°
8
88°
66°
9
90°
68°
10
88°
64°
11
88°
67°
12
93°
69°
13
94°
67°
14
94°
62°
15
88°
61°
16
87°
62°
17
89°
65°
18
94°
63°
19
87°
61°
20
85°
60°
21
86°
63°
22
87°
61°
23
85°
63°
24
86°
64°
25
86°
67°
26
85°
68°
27
91°
68°
28
92°
67°
29
92°
60°
30
91°
60°
31
84°
62°
1
87°
65°
2
84°
64°
3
86°
64°
4
87°
65°
5
89°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Thayer
Thayer's August 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 60° and 69°. The average high for August is 89° with an average low of 64°. 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 Thayer. See also: September | October | November.