S
M
T
W
T
F
S
29
77°
44°
30
91°
47°
31
73°
42°
1
49°
39°
2
51°
39°
3
46°
37°
4
51°
35°
5
63°
33°
6
55°
36°
7
55°
34°
8
78°
48°
9
55°
42°
10
56°
37°
11
67°
44°
12
73°
64°
13
87°
65°
14
87°
58°
15
80°
56°
16
84°
48°
17
76°
42°
18
56°
32°
19
69°
38°
20
78°
54°
21
86°
56°
22
83°
61°
23
81°
44°
24
64°
42°
25
62°
36°
26
62°
45°
27
61°
43°
28
66°
43°
29
61°
39°
30
62°
43°
1
61°
40°
2
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Tecumseh
Tecumseh's April 2026 forecast shows daily high temperatures ranging from 61° to 86°, with overnight lows between 36° and 61°. The average high for April is 69° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Tecumseh. See also: May | June | July.