S
M
T
W
T
F
S
26
59°
42°
27
65°
40°
28
69°
53°
29
55°
44°
30
56°
42°
1
N/A
2
51°
36°
3
61°
48°
4
71°
56°
5
62°
43°
6
53°
41°
7
52°
36°
8
55°
42°
9
56°
43°
10
64°
43°
11
60°
47°
12
62°
49°
13
65°
47°
14
63°
41°
15
63°
46°
16
62°
45°
17
63°
53°
18
69°
55°
19
69°
55°
20
70°
54°
21
74°
56°
22
72°
56°
23
74°
52°
24
65°
49°
25
65°
51°
26
67°
57°
27
75°
56°
28
71°
57°
29
69°
54°
30
68°
52°
31
70°
50°
1
67°
54°
2
68°
55°
3
68°
51°
4
69°
50°
5
68°
51°
6
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Tecumseh
Tecumseh's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 36° and 57°. The average high for May is 65° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Tecumseh. See also: June | July | August.
