S
M
T
W
T
F
S
26
92°
71°
27
92°
70°
28
93°
71°
29
91°
70°
30
92°
69°
31
90°
69°
1
88°
65°
2
86°
66°
3
82°
66°
4
83°
67°
5
85°
68°
6
90°
70°
7
91°
70°
8
92°
69°
9
89°
69°
10
90°
68°
11
90°
68°
12
89°
67°
13
90°
69°
14
92°
69°
15
91°
67°
16
90°
63°
17
87°
62°
18
88°
58°
19
82°
57°
20
82°
56°
21
81°
57°
22
81°
57°
23
88°
58°
24
85°
65°
25
89°
64°
26
91°
65°
27
90°
66°
28
91°
65°
29
91°
61°
30
89°
59°
31
82°
60°
1
87°
55°
2
79°
54°
3
79°
59°
4
87°
62°
5
87°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tecumseh
Tecumseh's August 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 54° and 71°. The average high for August is 88° 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 Tecumseh. See also: September | October | November.
