S
M
T
W
T
F
S
26
73°
42°
27
68°
53°
28
62°
46°
29
57°
31°
30
55°
24°
1
54°
27°
2
64°
27°
3
74°
38°
4
76°
32°
5
56°
31°
6
49°
24°
7
59°
25°
8
73°
23°
9
65°
33°
10
64°
26°
11
65°
27°
12
82°
45°
13
69°
38°
14
76°
30°
15
86°
54°
16
85°
52°
17
65°
52°
18
81°
53°
19
70°
51°
20
65°
44°
21
63°
46°
22
68°
48°
23
71°
51°
24
79°
58°
25
85°
60°
26
89°
56°
27
88°
50°
28
83°
45°
29
82°
52°
30
79°
49°
31
76°
53°
1
77°
52°
2
78°
50°
3
80°
54°
4
80°
53°
5
78°
55°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tomah
Tomah's May 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 45° and 60°. The average high for May is 81° with an average low of 53°. 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 Tomah. See also: June | July | August.
