S
M
T
W
T
F
S
26
68°
41°
27
57°
39°
28
59°
43°
29
61°
44°
30
60°
40°
1
62°
42°
2
64°
46°
3
65°
51°
4
69°
52°
5
72°
53°
6
73°
52°
7
68°
48°
8
71°
50°
9
73°
53°
10
74°
54°
11
75°
55°
12
76°
56°
13
74°
48°
14
65°
46°
15
70°
48°
16
69°
47°
17
67°
46°
18
71°
49°
19
69°
48°
20
74°
53°
21
72°
57°
22
75°
48°
23
75°
47°
24
70°
47°
25
71°
49°
26
71°
48°
27
72°
52°
28
75°
59°
29
76°
56°
30
75°
59°
31
79°
60°
1
79°
52°
2
75°
52°
3
72°
51°
4
75°
53°
5
78°
59°
6
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tecumseh
Tecumseh's May 2026 forecast shows daily high temperatures ranging from 57° to 81°, with overnight lows between 39° and 63°. The average high for May is 71° 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.
